Progress on timezone support

9 files changed, 229 insertions, 259 deletions

diff --git a/src/iter.rs b/src/iter.rs
index 738cc26..6922ed4 100644
--- a/src/iter.rs
+++ b/src/iter.rs
@@ -2,17 +2,16 @@ use crate::datetime::*;
 use crate::iter_set::IterResult;
 use crate::iterinfo::*;
 use crate::options::*;
-use crate::poslist::*;
 use crate::yearinfo::*;
 use chrono::prelude::*;
 use chrono::Duration;
 use chrono_tz::Tz;
 
 pub enum QueryMethodTypes {
-    ALL,
-    BETWEEN,
-    BEFORE,
-    AFTER,
+    All,
+    Between,
+    Before,
+    After,
 }
 
 pub struct IterArgs {
@@ -34,17 +33,17 @@ pub struct RRuleIterRes {
 impl RRuleIterRes {
     pub fn new(method: QueryMethodTypes, args: IterArgs) -> Self {
         let (max_date, min_date) = match method {
-            QueryMethodTypes::BETWEEN if args.inc => {
+            QueryMethodTypes::Between if args.inc => {
                 (Some(args.before.unwrap()), Some(args.after.unwrap()))
             }
-            QueryMethodTypes::BETWEEN => (
+            QueryMethodTypes::Between => (
                 Some(args.before.unwrap() - Duration::milliseconds(1)),
                 Some(args.after.unwrap() + Duration::milliseconds(1)),
             ),
-            QueryMethodTypes::BEFORE if args.inc => (Some(args.dt.unwrap()), None),
-            QueryMethodTypes::BEFORE => (Some(args.dt.unwrap() - Duration::milliseconds(1)), None),
-            QueryMethodTypes::AFTER if args.inc => (None, Some(args.dt.unwrap())),
-            QueryMethodTypes::AFTER => (None, Some(args.dt.unwrap() + Duration::milliseconds(1))),
+            QueryMethodTypes::Before if args.inc => (Some(args.dt.unwrap()), None),
+            QueryMethodTypes::Before => (Some(args.dt.unwrap() - Duration::milliseconds(1)), None),
+            QueryMethodTypes::After if args.inc => (None, Some(args.dt.unwrap())),
+            QueryMethodTypes::After => (None, Some(args.dt.unwrap() + Duration::milliseconds(1))),
             _ => (None, None),
         };
 
@@ -71,11 +70,11 @@ impl IterResult for RRuleIterRes {
         let too_late = self.max_date.is_some() && date > self.max_date.unwrap();
 
         match self.method {
-            QueryMethodTypes::BETWEEN if too_early => true,
-            QueryMethodTypes::BETWEEN if too_late => false,
-            QueryMethodTypes::BEFORE if too_late => false,
-            QueryMethodTypes::AFTER if too_early => true,
-            QueryMethodTypes::AFTER => {
+            QueryMethodTypes::Between if too_early => true,
+            QueryMethodTypes::Between if too_late => false,
+            QueryMethodTypes::Before if too_late => false,
+            QueryMethodTypes::After if too_early => true,
+            QueryMethodTypes::After => {
                 self.add(date);
                 false
             }
@@ -86,7 +85,7 @@ impl IterResult for RRuleIterRes {
     // before and after returns only one date whereas all and between an array
     fn get_value(&self) -> Vec<DateTime<Tz>> {
         match self.method {
-            QueryMethodTypes::BETWEEN | QueryMethodTypes::ALL => self.result.clone(),
+            QueryMethodTypes::Between | QueryMethodTypes::All => self.result.clone(),
             _ => {
                 if self.result.is_empty() {
                     return vec![];
@@ -232,11 +231,7 @@ pub fn remove_filtered_days(
 pub fn build_timeset(options: &ParsedOptions) -> Vec<Time> {
     let millisecond_mod = (options.dtstart.timestamp_millis() & 1000) as usize;
 
-    if !(options.freq == Frequenzy::Daily
-        || options.freq == Frequenzy::Monthly
-        || options.freq == Frequenzy::Weekly
-        || options.freq == Frequenzy::Yearly)
-    {
+    if options.freq > Frequenzy::Daily {
         return vec![];
     }
 
@@ -257,11 +252,7 @@ pub fn make_timeset(
     counter_date: &DateTime<Utc>,
     options: &ParsedOptions,
 ) -> Vec<Time> {
-    if options.freq == Frequenzy::Daily
-        || options.freq == Frequenzy::Monthly
-        || options.freq == Frequenzy::Weekly
-        || options.freq == Frequenzy::Yearly
-    {
+    if options.freq < Frequenzy::Hourly {
         return build_timeset(options);
     }
 
diff --git a/src/iter_set.rs b/src/iter_set.rs
index e3c37db..3e96231 100644
--- a/src/iter_set.rs
+++ b/src/iter_set.rs
@@ -2,12 +2,10 @@ use crate::iter::*;
 use crate::iterinfo::*;
 use crate::options::*;
 use crate::poslist::*;
-use crate::rrule::*;
 use chrono::offset::TimeZone;
 use chrono::prelude::*;
-use chrono::{DateTime, Duration, Utc};
+use chrono::{DateTime, Utc};
 use chrono_tz::*;
-use std::collections::HashMap;
 
 pub trait IterResult {
     fn accept(&mut self, date: DateTime<Tz>) -> bool;
@@ -18,6 +16,7 @@ pub fn iter_v2<T: IterResult>(
     iter_result: &mut T,
     options: &mut ParsedOptions,
 ) -> Vec<DateTime<Tz>> {
+
     if (options.count.is_some() && options.count.unwrap() == 0) || options.interval == 0 {
         return iter_result.get_value();
     }
@@ -48,7 +47,7 @@ pub fn iter_v2<T: IterResult>(
         let filtered = remove_filtered_days(&mut dayset, start, end, &ii, options);
 
         if not_empty(&options.bysetpos) {
-            let poslist = build_poslist(&options.bysetpos, &timeset, start, end, &ii, &dayset);
+            let poslist = build_poslist(&options.bysetpos, &timeset, start, end, &ii, &dayset, &options.tzid);
 
             for j in 0..poslist.len() {
                 let res = poslist[j];
@@ -58,9 +57,9 @@ pub fn iter_v2<T: IterResult>(
 
                 if res >= options.dtstart {
                     //let rezoned_date = rezone_if_needed(&res, &options);
-                    let rezoned_date = UTC.timestamp(res.timestamp(), 0);
+                    // let rezoned_date = UTC.timestamp(res.timestamp(), 0);
 
-                    if !iter_result.accept(rezoned_date) {
+                    if !iter_result.accept(res) {
                         return iter_result.get_value();
                     }
 
@@ -82,7 +81,7 @@ pub fn iter_v2<T: IterResult>(
                 let current_day = current_day.unwrap();
                 let date = from_ordinal(ii.yearordinal().unwrap() + current_day);
                 for k in 0..timeset.len() {
-                    let res = Utc.ymd(date.year(), date.month(), date.day()).and_hms(
+                    let res = options.tzid.ymd(date.year(), date.month(), date.day()).and_hms(
                         timeset[k].hour as u32,
                         timeset[k].minute as u32,
                         timeset[k].second as u32,
@@ -92,9 +91,11 @@ pub fn iter_v2<T: IterResult>(
                     }
                     if res >= options.dtstart {
                         //let rezoned_date = rezone_if_needed(&res, &options);
-                        let rezoned_date = UTC.timestamp(res.timestamp(), 0);
+                        // let rezoned_date = UTC.timestamp(res.timestamp(), 0);
+                        // let rezoned_date = tzid.from_utc_datetime(&res.naive_utc());
+                        // let rezoned_date = res.with_timezone(&options.tzid);
 
-                        if !iter_result.accept(rezoned_date) {
+                        if !iter_result.accept(res) {
                             return iter_result.get_value();
                         }
                         if count > 0 {
diff --git a/src/options.rs b/src/options.rs
index e29d8fe..2bface8 100644
--- a/src/options.rs
+++ b/src/options.rs
@@ -1,4 +1,5 @@
 use chrono::prelude::*;
+use chrono_tz::Tz;
 
 #[derive(Debug, PartialEq, PartialOrd, Clone)]
 pub enum Frequenzy {
@@ -17,7 +18,7 @@ pub struct ParsedOptions {
     pub interval: usize,
     pub count: Option<u32>,
     pub until: Option<DateTime<Utc>>,
-    pub tzid: Option<String>,
+    pub tzid: Tz,
     pub dtstart: DateTime<Utc>,
     pub wkst: usize,
     pub bysetpos: Vec<isize>,
diff --git a/src/parse_options.rs b/src/parse_options.rs
index 4071cbc..2df90be 100644
--- a/src/parse_options.rs
+++ b/src/parse_options.rs
@@ -1,5 +1,6 @@
 use chrono::prelude::*;
 use crate::options::{ParsedOptions, Frequenzy, PartialOptions};
+use chrono_tz::{Tz, UTC};
 
 // TODO: make this method on partialoptions struct
 pub fn parse_options(options: &PartialOptions) -> ParsedOptions {
@@ -8,6 +9,12 @@ pub fn parse_options(options: &PartialOptions) -> ParsedOptions {
     default_partial_options.freq = Some(Frequenzy::Yearly);
     default_partial_options.wkst = Some(0);
 
+    let tzid: Tz = if options.tzid.is_some() {
+        options.tzid.clone().unwrap().parse().unwrap()
+    } else {
+        UTC
+    };
+
     let mut partial_options = PartialOptions::concat(&default_partial_options, options);
 
     if partial_options.byeaster.is_some() {
@@ -43,7 +50,7 @@ pub fn parse_options(options: &PartialOptions) -> ParsedOptions {
     ) { 
         match &freq {
             Frequenzy::Yearly => {
-                if let Some(bymonth) = partial_options.bymonth {
+                if partial_options.bymonth.is_none() {
                     partial_options.bymonth = Some(vec![partial_options.dtstart.unwrap().month() as usize]);
                 }
                 partial_options.bymonthday = Some(vec![partial_options.dtstart.unwrap().day() as isize]);
@@ -103,7 +110,7 @@ pub fn parse_options(options: &PartialOptions) -> ParsedOptions {
     interval: partial_options.interval.unwrap(),
     count: partial_options.count,
     until: partial_options.until,
-    tzid: partial_options.tzid,
+    tzid,
     dtstart: partial_options.dtstart.unwrap(),
     wkst: partial_options.wkst.unwrap(),
     bysetpos: partial_options.bysetpos.unwrap_or(vec![]),
diff --git a/src/poslist.rs b/src/poslist.rs
index 1dfb04b..94ad6e9 100644
--- a/src/poslist.rs
+++ b/src/poslist.rs
@@ -2,6 +2,7 @@ use crate::datetime::*;
 use crate::iterinfo::*;
 use crate::yearinfo::*;
 use chrono::prelude::*;
+use chrono_tz::Tz;
 
 pub fn from_ordinal(ordinal: isize) -> DateTime<Utc> {
     let timestamp = ordinal * 24 * 60 * 60;
@@ -16,8 +17,9 @@ pub fn build_poslist(
     end: usize,
     ii: &IterInfo,
     dayset: &Vec<Option<isize>>,
-) -> Vec<DateTime<Utc>> {
-    let mut poslist: Vec<DateTime<Utc>> = vec![];
+    tz: &Tz
+) -> Vec<DateTime<Tz>> {
+    let mut poslist = vec![];
 
     for j in 0..bysetpost.len() {
         let daypos;
@@ -48,8 +50,7 @@ pub fn build_poslist(
         }
 
         let date = from_ordinal(ii.yearordinal().unwrap() + i);
-        // const res = dateutil.combine(date, time)
-        let res = Utc.ymd(date.year(), date.month(), date.day()).and_hms(
+        let res = tz.ymd(date.year(), date.month(), date.day()).and_hms(
             timeset[timepos as usize].hour as u32,
             timeset[timepos as usize].minute as u32,
             timeset[timepos as usize].second as u32,
diff --git a/src/rrule.rs b/src/rrule.rs
index 8e8f192..08ebd7d 100644
--- a/src/rrule.rs
+++ b/src/rrule.rs
@@ -23,7 +23,7 @@ impl RRule {
             after: None,
             dt: None,
         };
-        let mut iter_res = RRuleIterRes::new(QueryMethodTypes::ALL, iter_args);
+        let mut iter_res = RRuleIterRes::new(QueryMethodTypes::All, iter_args);
 
         let res = iter_v2(&mut iter_res, &mut self.options);
         res
@@ -41,7 +41,7 @@ impl RRule {
             after: Some(after.clone()),
             dt: None,
         };
-        let mut iter_res = RRuleIterRes::new(QueryMethodTypes::ALL, iter_args);
+        let mut iter_res = RRuleIterRes::new(QueryMethodTypes::All, iter_args);
 
         let res = iter_v2(&mut iter_res, &mut self.options);
         res
diff --git a/src/rruleset.rs b/src/rruleset.rs
index 63e3145..ab8437f 100644
--- a/src/rruleset.rs
+++ b/src/rruleset.rs
@@ -29,7 +29,7 @@ impl<'a> RRuleSetIter<'a> {
             after: None,
             dt: None,
         };
-        let iter_res = RRuleIterRes::new(QueryMethodTypes::ALL, iter_args);
+        let iter_res = RRuleIterRes::new(QueryMethodTypes::All, iter_args);
 
         Self {
             exdate_hash: HashMap::new(),
@@ -45,7 +45,7 @@ impl<'a> RRuleSetIter<'a> {
             after: None,
             dt: Some(dt),
         };
-        let iter_res = RRuleIterRes::new(QueryMethodTypes::BEFORE, iter_args);
+        let iter_res = RRuleIterRes::new(QueryMethodTypes::Before, iter_args);
 
         Self {
             exdate_hash: HashMap::new(),
@@ -61,7 +61,7 @@ impl<'a> RRuleSetIter<'a> {
             after: None,
             dt: Some(dt),
         };
-        let iter_res = RRuleIterRes::new(QueryMethodTypes::AFTER, iter_args);
+        let iter_res = RRuleIterRes::new(QueryMethodTypes::After, iter_args);
 
         Self {
             exdate_hash: HashMap::new(),
@@ -82,7 +82,7 @@ impl<'a> RRuleSetIter<'a> {
             after: Some(after),
             dt: None,
         };
-        let iter_res = RRuleIterRes::new(QueryMethodTypes::BETWEEN, iter_args);
+        let iter_res = RRuleIterRes::new(QueryMethodTypes::Between, iter_args);
 
         Self {
             exdate_hash: HashMap::new(),
@@ -133,7 +133,7 @@ impl<'a> RRuleSetIter<'a> {
         }
 
         match &self.iter_res.method {
-            QueryMethodTypes::BETWEEN => {
+            QueryMethodTypes::Between => {
                 self.eval_exdate(
                     &self.iter_res.args.after.unwrap().clone(),
                     &self.iter_res.args.before.unwrap().clone(),
@@ -162,7 +162,7 @@ impl<'a> RRuleSetIter<'a> {
 impl<'a> IterResult for RRuleSetIter<'a> {
     fn accept(&mut self, date: DateTime<Tz>) -> bool {
         match &self.iter_res.method {
-            QueryMethodTypes::BETWEEN => self.accept_1(date),
+            QueryMethodTypes::Between => self.accept_1(date),
             _ => self.accept_2(date),
         }
     }
@@ -233,42 +233,6 @@ impl RRuleSet {
         let mut iter = RRuleSetIter::from_between(self, after, before, inc);
         iter.iter(None)
     }
-
-    pub fn value_of(&mut self) -> Vec<String> {
-        let mut result = vec![];
-
-        if !self.rrule.is_empty() && self.dtstart.is_some() {
-            result.push(String::from("yeah"));
-        }
-
-        for rrule in &self.rrule {
-            // result = result.concat(rrule.toString().split('\n'))
-            result.push(String::from("test"));
-        }
-
-        for exrule in &self.exrule {
-            //result = result.concat(
-            //exrule.toString().split('\n')
-            //.map(line => line.replace(/^RRULE:/, 'EXRULE:'))
-            //.filter(line => !/^DTSTART/.test(line))
-            //)
-            result.push(String::from("hi"));
-        }
-
-        if !self.rdate.is_empty() {
-            //result.push(
-            //rdatesToString('RDATE', this._rdate, this.tzid())
-            //)
-        }
-
-        if !self.exdate.is_empty() {
-            //result.push(
-            //rdatesToString('EXDATE', this._exdate, this.tzid())
-            //)
-        }
-
-        result
-    }
 }
 
 #[cfg(test)]
@@ -331,7 +295,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -354,7 +318,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -424,7 +388,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -462,7 +426,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -504,7 +468,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -528,7 +492,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -566,7 +530,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -590,7 +554,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -624,7 +588,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -648,7 +612,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -682,7 +646,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -706,7 +670,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -748,7 +712,7 @@ mod test_iter_set {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
diff --git a/src/rrulestr.rs b/src/rrulestr.rs
index c1bfc67..1f90b4a 100644
--- a/src/rrulestr.rs
+++ b/src/rrulestr.rs
@@ -4,7 +4,7 @@ use crate::rrule::RRule;
 use crate::rruleset::RRuleSet;
 use chrono::prelude::*;
 use chrono::DateTime;
-use chrono_tz::Tz;
+use chrono_tz::{Tz, UTC};
 use once_cell::sync::Lazy;
 use regex::Regex;
 
@@ -13,7 +13,7 @@ static DATESTR_RE: Lazy<Regex> =
 static DTSTART_RE: Lazy<Regex> =
     Lazy::new(|| Regex::new(r"(?m)DTSTART(?:;TZID=([^:=]+?))?(?::|=)([^;\s]+)").unwrap());
 
-static RRUle_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"(?m)^(?:RRULE|EXRULE):").unwrap());
+static RRULE_RE: Lazy<Regex> = Lazy::new(|| Regex::new(r"(?m)^(?:RRULE|EXRULE):").unwrap());
 
 
 
@@ -75,7 +75,7 @@ fn parse_rrule(line: &str) -> PartialOptions {
 
     let mut options = parse_dtstart(stripped_line).unwrap_or(PartialOptions::new());
 
-    let attrs = RRUle_RE.replace(line, "");
+    let attrs = RRULE_RE.replace(line, "");
     let attrs = attrs.split(";");
 
     for attr in attrs {
@@ -434,9 +434,14 @@ mod test {
 
     #[test]
     fn it_works_3() {
-        let options = build_rule("RRULE:UNTIL=19990404T110000Z;DTSTART;TZID=America/New_York:19990104T110000Z;FREQ=WEEKLY;BYDAY=TU,WE");
+        let mut options = build_rule("RRULE:UNTIL=19990404T110000Z;DTSTART;TZID=America/Denver:19990104T110000Z;FREQ=WEEKLY;BYDAY=TU,WE");
         println!("?????????????=================?????????????");
         println!("{:?}", options);
+        let tzid: Tz = "America/Denver".parse().unwrap();
+        println!("?????????????=== ALLL    ==============?????????????");
+        println!("{:?}", options.all().into_iter().take(2).collect::<Vec<DateTime<Tz>>>());
+        println!("{:?}", options.all().iter().take(2).map(|d| d.with_timezone(&UTC)).collect::<Vec<DateTime<Tz>>>());
+        println!("Diff : {:?}", options.all()[0].timestamp() - options.all()[0].with_timezone(&UTC).timestamp());
     }
 
     #[test]
diff --git a/tests/rrule.rs b/tests/rrule.rs
index 6c5ffa3..fe8a814 100644
--- a/tests/rrule.rs
+++ b/tests/rrule.rs
@@ -56,7 +56,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -89,7 +89,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 2,
             byeaster: None,
         };
@@ -122,7 +122,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 40,
             byeaster: None,
         };
@@ -155,7 +155,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: Some(0),
         };
@@ -188,7 +188,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: Some(1),
         };
@@ -221,7 +221,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: Some(-2),
         };
@@ -254,7 +254,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -287,7 +287,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -320,7 +320,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -353,7 +353,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -386,7 +386,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -419,7 +419,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -452,7 +452,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -485,7 +485,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -518,7 +518,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -551,7 +551,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -584,7 +584,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -617,7 +617,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -651,7 +651,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -685,7 +685,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -719,7 +719,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -752,7 +752,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -785,7 +785,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -818,7 +818,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -851,7 +851,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -884,7 +884,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -917,7 +917,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -950,7 +950,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -983,7 +983,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1016,7 +1016,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1049,7 +1049,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1082,7 +1082,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1115,7 +1115,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1148,7 +1148,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1181,7 +1181,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 2,
             byeaster: None,
         };
@@ -1214,7 +1214,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 18,
             byeaster: None,
         };
@@ -1247,7 +1247,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: Some(0),
         };
@@ -1280,7 +1280,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: Some(1),
         };
@@ -1313,7 +1313,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: Some(-2),
         };
@@ -1346,7 +1346,7 @@ mod test {
             bynmonthday: vec![-1],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1380,7 +1380,7 @@ mod test {
             bynmonthday: vec![-1],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1414,7 +1414,7 @@ mod test {
             bynmonthday: vec![-1, -3],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1450,7 +1450,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1483,7 +1483,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1516,7 +1516,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1549,7 +1549,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1582,7 +1582,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1615,7 +1615,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1648,7 +1648,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1681,7 +1681,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1714,7 +1714,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1747,7 +1747,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1780,7 +1780,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1813,7 +1813,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1847,7 +1847,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1881,7 +1881,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1915,7 +1915,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1950,7 +1950,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -1985,7 +1985,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2018,7 +2018,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2051,7 +2051,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2084,7 +2084,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2117,7 +2117,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2150,7 +2150,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2183,7 +2183,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2216,7 +2216,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2249,7 +2249,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2282,7 +2282,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2315,7 +2315,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2348,7 +2348,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2381,7 +2381,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 2,
             byeaster: None,
         };
@@ -2414,7 +2414,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 20,
             byeaster: None,
         };
@@ -2447,7 +2447,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2483,7 +2483,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2516,7 +2516,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2549,7 +2549,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2583,7 +2583,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2616,7 +2616,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2649,7 +2649,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2682,7 +2682,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2715,7 +2715,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2749,7 +2749,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2783,7 +2783,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2817,7 +2817,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2850,7 +2850,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2883,7 +2883,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2916,7 +2916,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2949,7 +2949,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -2982,7 +2982,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3015,7 +3015,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3048,7 +3048,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3081,7 +3081,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3114,7 +3114,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3147,7 +3147,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3180,7 +3180,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3215,7 +3215,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3248,7 +3248,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3281,7 +3281,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 2,
             byeaster: None,
         };
@@ -3314,7 +3314,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 92,
             byeaster: None,
         };
@@ -3347,7 +3347,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3380,7 +3380,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3413,7 +3413,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3446,7 +3446,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3479,7 +3479,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3512,7 +3512,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3545,7 +3545,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3578,7 +3578,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3612,7 +3612,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3646,7 +3646,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3680,7 +3680,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3715,7 +3715,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3750,7 +3750,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3783,7 +3783,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3816,7 +3816,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3849,7 +3849,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3882,7 +3882,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3915,7 +3915,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3948,7 +3948,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -3981,7 +3981,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4014,7 +4014,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4047,7 +4047,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4080,7 +4080,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4113,7 +4113,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4146,7 +4146,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 2,
             byeaster: None,
         };
@@ -4179,7 +4179,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 769,
             byeaster: None,
         };
@@ -4212,7 +4212,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4245,7 +4245,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4278,7 +4278,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4311,7 +4311,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 5,
             byeaster: None,
         };
@@ -4346,7 +4346,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4379,7 +4379,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4412,7 +4412,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4445,7 +4445,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 12,
             byeaster: None,
         };
@@ -4483,7 +4483,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 12,
             byeaster: None,
         };
@@ -4521,7 +4521,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4555,7 +4555,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4588,7 +4588,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4621,7 +4621,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4654,7 +4654,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4687,7 +4687,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4720,7 +4720,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4753,7 +4753,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4786,7 +4786,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4819,7 +4819,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4852,7 +4852,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4885,7 +4885,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4918,7 +4918,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4953,7 +4953,7 @@ mod test {
             bynmonthday: vec![],
             until: None,
             wkst: 0,
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -4986,7 +4986,7 @@ mod test {
             bymonthday: vec![],
             bynweekday: vec![],
             bynmonthday: vec![],
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -5019,7 +5019,7 @@ mod test {
             bymonthday: vec![],
             bynweekday: vec![],
             bynmonthday: vec![],
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -5052,7 +5052,7 @@ mod test {
             bymonthday: vec![],
             bynweekday: vec![],
             bynmonthday: vec![],
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -5078,7 +5078,7 @@ mod test {
             bymonthday: vec![],
             bynweekday: vec![],
             bynmonthday: vec![],
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -5104,7 +5104,7 @@ mod test {
             bymonthday: vec![],
             bynweekday: vec![],
             bynmonthday: vec![],
-            tzid: None,
+            tzid: UTC,
             interval: 1,
             byeaster: None,
         };
@@ -5137,7 +5137,7 @@ mod test {
             bymonthday: vec![],
             bynweekday: vec![],
             bynmonthday: vec![],
-            tzid: None,
+            tzid: UTC,
             interval: 2,
             byeaster: None,
         };
@@ -5170,7 +5170,7 @@ mod test {
             bymonthday: vec![],
             bynweekday: vec![],
             bynmonthday: vec![],
-            tzid: None,
+            tzid: UTC,
             interval: 2,
             byeaster: None,
         };