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diff --git a/Userland/Libraries/LibCore/DateTime.h b/Userland/Libraries/LibCore/DateTime.h
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+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#pragma once
+
+#include <AK/String.h>
+#include <time.h>
+
+namespace Core {
+
+// Represents a time in local time.
+class DateTime {
+public:
+    time_t timestamp() const { return m_timestamp; }
+
+    unsigned year() const { return m_year; }
+    unsigned month() const { return m_month; }
+    unsigned day() const { return m_day; }
+
+    unsigned hour() const { return m_hour; }
+    unsigned minute() const { return m_minute; }
+    unsigned second() const { return m_second; }
+    unsigned weekday() const;
+    unsigned days_in_month() const;
+    unsigned day_of_year() const;
+    bool is_leap_year() const;
+
+    void set_time(unsigned year, unsigned month = 1, unsigned day = 0, unsigned hour = 0, unsigned minute = 0, unsigned second = 0);
+    String to_string(const String& format = "%Y-%m-%d %H:%M:%S") const;
+
+    static DateTime create(unsigned year, unsigned month = 1, unsigned day = 0, unsigned hour = 0, unsigned minute = 0, unsigned second = 0);
+    static DateTime now();
+    static DateTime from_timestamp(time_t);
+
+    // FIXME: This should be replaced with a proper comparison
+    //        operator when we get the equivalent of strptime
+    bool is_before(const String&) const;
+
+private:
+    time_t m_timestamp { 0 };
+    unsigned m_year { 0 };
+    unsigned m_month { 0 };
+    unsigned m_day { 0 };
+    unsigned m_hour { 0 };
+    unsigned m_minute { 0 };
+    unsigned m_second { 0 };
+};
+
+const LogStream& operator<<(const LogStream&, const DateTime&);
+
+}