IRST: Iran Standard Time
Iran Standard Time
Sunday, 27th September 2026
What IRST actually is
UTC+3:30: a half-hour offset, and no daylight saving since 2022.
Careful: Iran Standard Time is not on IRST at the moment. It is currently UTC+3:30 (UTC+3:30) because of daylight saving.
Daylight saving
Clocks here do not change: this zone stays on the same offset all year.
Cities on IRST
Convert IRST
Looking for UTC and GMT developer tooling (epoch conversion, ISO 8601, a free time API)? That lives on our sibling site utctime.app.
Other abbreviations
Questions people ask
What time is it in IRST right now?
12:53 pm (12:53) on Sunday, 27th September 2026, for Iran Standard Time.
What does IRST stand for?
Iran Standard Time. UTC+3:30: a half-hour offset, and no daylight saving since 2022.
What is the UTC offset of IRST?
Iran Standard Time: UTC+3:30.
Is IRST in use right now?
Not at this moment. Iran Standard Time is currently on UTC+3:30 (UTC+3:30) because of daylight saving. IRST comes back when the clocks change: see the date below.