1 files changed, 23 insertions, 0 deletions
diff --git a/src/datetime.rs b/src/datetime.rs
index 2e06d24..69cfb00 100644
--- a/src/datetime.rs
+++ b/src/datetime.rs
@@ -14,6 +14,29 @@ pub fn to_ordinal(date: &DateTime<Utc>) -> isize {
     (date.timestamp() / 60 / 60 / 24) as isize
 }
 
+pub fn is_leap_year(year: i32) -> bool {
+    year % 4 == 0 && (year % 100 != 0 || year % 400 == 0)
+}
+
+pub fn get_year_len(year: i32) -> usize {
+    if is_leap_year(year) {
+        return 366;
+    }
+    365
+}
+
+pub fn get_weekday_val(wk: &Weekday) -> usize {
+    match wk {
+        Weekday::Mon => 0,
+        Weekday::Tue => 1,
+        Weekday::Wed => 2,
+        Weekday::Thu => 3,
+        Weekday::Fri => 4,
+        Weekday::Sat => 5,
+        Weekday::Sun => 6,
+    }
+}
+
 #[derive(Debug)]
 pub struct Time {
     pub hour: usize,