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]

Time zones in the Middle East

	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

▉▉▉▉ Standard time observed all year
▉ Daylight saving time observed

Iran.

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

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.