IRST: Iran Standard Time

Iran Standard Time, UTC+3:30 right now. Used in Iran. No daylight saving time.

IRST, Iran Standard Time

IRST

Wednesday, November 4, 2026

UTC+3:30

Abbreviation
IRST
Full name
Iran Standard Time
UTC offset now
UTC+3:30
Standard time
UTC+3:30
Daylight saving
No
Reference zone
Asia/Tehran
Where
Iran

Daylight saving time in IRST

There is no daylight saving time: the offset is UTC+3:30 all year.

Countries and cities on IRST

Where Iran Standard Time is kept, with each country's largest cities in the zone.

Countries using IRST
CityLocal timeCompared to IRST
IranTehran, Mashhad, IsfahanWed 7:49 AMSame time

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Other time zones

Place data from GeoNames (CC BY 4.0). Times follow the IANA time zone database; sunrise and sunset are computed for the city's coordinates.