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Iran Standard Time
Identifier for a time offset from UTC of +03:30 / From Wikipedia, the free encyclopedia
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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.
![](http://upload.wikimedia.org/wikipedia/commons/thumb/0/07/Time_Zones_of_the_Middle_East.svg/320px-Time_Zones_of_the_Middle_East.svg.png)
▉▉▉▉ Standard time observed all year
▉ Daylight saving time observed
Between 2005 and 2008, by decree of President Mahmoud Ahmadinejad, Iran did not observe daylight saving time (DST) (called Iran Daylight Time or IRDT).[1] It was reintroduced from 21 March 2008. On 21 September 2022, Iran abolished DST and now observes standard time year-round.[2][3]