Tehran observes daylight saving time. The UTC offset shifts by one hour during summer months.
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Tehran, Iran
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IRST · UTC+3:30
Tehran Time Zone: IRST/IRDT and UTC+3:30
Tehran operates on IRST/IRDT (UTC+3:30), placing it ahead of Coordinated Universal Time (UTC) by 3 hours 30 minutes. The IANA timezone identifier is Asia/Tehran.
Tehran observes daylight saving time. The UTC offset shifts by one hour during summer months. This means the time difference between Tehran and cities that do observe daylight saving time will shift by one hour seasonally.
For scheduling calls with Tehran, useful reference points: Tehran is 3 hours 30 minutes ahead of London on GMT and 8 hours 30 minutes ahead of New York on EST. During US daylight saving time the difference with New York shifts by one hour.
Frequently Asked Questions
What time is it in Tehran right now?
Tehran follows IRST/IRDT (UTC+3:30). The live clock at the top of this page shows the current local time in Tehran, updated every second.
What time zone is Tehran in?
Tehran is in IRST/IRDT (UTC+3:30). The IANA timezone identifier is Asia/Tehran.
Does Tehran observe daylight saving time?
Tehran observes daylight saving time. The UTC offset shifts by one hour during summer months.
What is the time difference between Tehran and London?
Tehran (IRST, UTC+3:30) is 3 hours 30 minutes ahead of London (during GMT, UTC+0).
What is the time difference between Tehran and New York?
Tehran (IRST, UTC+3:30) is 8 hours 30 minutes ahead of New York (during EDT, UTC−4).