Iran Standard Time
Iran Standard Time (IRST) or Iran Time (IT) is the time zone used in Iran. Iran uses a UTC offset UTC+03:30. IRST is defined by the 52.5 degrees east meridian, the same meridian which defines the Iranian calendar and is the official meridian of Iran.
Daylight Saving Transitions Dates
Iran is unusual in that the dates of DST transitions aren't based on a rule such as the third Monday in September.
So in most countries, DST transitions occur on the same weekday every year, but not in Iran.
Sat, Mar 22, 12:00 AM
Mon, Sep 22, 12:00 AM
Sun, Mar 22, 12:00 AM
Tue, Sep 22, 12:00 AM
Mon, Mar 21, 12:00 AM
Wed, Sep 21, 12:00 AM
Wed, Mar 22, 12:00 AM
Fri, Sep 22, 12:00 AM
Thu, Mar 22, 12:00 AM
Sat, Sep 22, 12:00 AM
IANA time zone database
- "Iran will not observe DST". Presstv.ir. 20 March 2007. Retrieved 9 May 2010.
- "Time zone and daylight saving time for Iran – Tehran between 2010 and 2019". Timeanddate.com. Retrieved 9 May 2010.
- "Time Changes in Tehran over the years".
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