Iran Standard Time

Iran Standard Time (IRST), also called Iran Time (IRT), is a time zone used in Iran. The standard time is 3.5 hours ahead of Coordinated Universal Time (UTC+03:30). During its daylight saving time (DST), it used Iran Daylight Time (IRDT), which was 4.5 hours ahead of Coordinated Universal Time (UTC+04:30), but however, from 2006 to 2007, IRDT was not used in Iran, but was re-introduced on March 21, 2008.^[1] On September 21, 2022, Iran abolished daylight saving time and now observes standard time the entire year.^[2]^[3]

Daylight saving dates for Iran

Before it was ended in 2022, daylight saving time (DST) started on March 21 or 22 (Farvardin) and ended on September 21-22 (Shahrivar).

References

↑ "Time Zone in Tehran, Iran". Time and Date. May 9, 2016. Retrieved May 16, 2016.
↑ "Iran Considers Abolishing DST". timeanddate.com. Retrieved 13 May 2022.
↑ "Daylight Saving Time Ends in Iran". Livingintehran.com. 21 September 2022.

[1] "Time Zone in Tehran, Iran". Time and Date. May 9, 2016. Retrieved May 16, 2016.

[2] "Iran Considers Abolishing DST". timeanddate.com. Retrieved 13 May 2022.

[3] "Daylight Saving Time Ends in Iran". Livingintehran.com. 21 September 2022.

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	UTC+02:00	Egypt Standard Time
	UTC+02:00 UTC+03:00	Eastern European Time / Israel Standard Time / Palestine Standard Time Eastern European Summer Time / Israel Summer Time / Palestine Summer Time
	UTC+03:00	Arabia Standard Time / Turkey Standard Time
	UTC+03:30	Iran Standard Time
	UTC+04:00	Gulf Standard Time