Time in Tehran
The current local time and date in Tehran, its time zone, and a converter to your own time.
Detecting your time zone to suggest the best hour to call…
Tehran runs on Iran Standard Time, a fixed UTC+3:30 — one of only a handful of time zones worldwide offset by a half hour — after Iran abolished its seasonal clock change in 2022.
Tehran stays on UTC+3:30 all year and does not change its clocks for daylight saving time. Iran uses a rare half-hour offset, UTC+3:30, with no daylight saving.
Compare to your time zone
Detecting your time zone…
—
| Tehran | Your time |
|---|---|
| Loading… | |
Compare Tehran with another city
Tehran & London · Tehran & New York · Tehran & Tokyo · Tehran & Los Angeles · Tehran & Dubai · All world clocks →
See also: Population of Iran
Popular time comparisons
London → New York · London → Tokyo · New York → Tokyo · London → Sydney
FAQ
What time is it in Tehran right now?
Tehran is on UTC+3:30 all year round, which is 3 hours 30 minutes ahead of UTC. So when it is 12:00 UTC, the local time in Tehran is 15:30. The live clock at the top of this page applies that offset to the current moment and refreshes every second.
What time zone is Tehran in?
Tehran uses the Asia/Tehran time zone, shown as GMT+3:30. Tehran stays on UTC+3:30 all year and does not change its clocks for daylight saving time. Iran uses a rare half-hour offset, UTC+3:30, with no daylight saving. The "compare to your time zone" section above converts any Tehran time into your own local time instantly.
Does Tehran observe daylight saving time?
No — Tehran does not observe daylight saving time. Its clocks stay on UTC+3:30 every day of the year, so its offset from UTC never moves. Iran uses a rare half-hour offset, UTC+3:30, with no daylight saving. The difference between Tehran and another city therefore changes only when that other city starts or ends its own daylight saving period. If you are scheduling across the seasons, treat Tehran as the fixed end of the pair and check the other city's dates instead.
How do I convert Tehran time to my time zone?
Convert Tehran time by taking its UTC+3:30 offset and applying the difference to your own: subtract Tehran's offset from UTC to get the UTC time, then add your own offset. For example, 09:00 in Tehran is 05:30 UTC. The converter above does this automatically after detecting your device's time zone, and the World Clock meeting planner lays several cities out on one colour-coded 24-hour grid.
What is the dialing code for Tehran?
The dialing code for Tehran is +98. To call from abroad, dial +98 before the local number. The card at the top of this page shows it alongside the live local time so you can check it is a reasonable hour before you call.
What are the best hours to call Tehran?
Standard business hours in Tehran — 9:00 to 17:00 local time — correspond to 05:30 to 13:30 UTC. Convert that UTC window into your own zone to find the overlap. The "best time to call" line above does this for you, using waking hours of roughly 8am–9pm on both ends so neither side is called at night.
Learn how time zones work
UTC & GMT explained · Daylight saving explained · How to convert a time between two cities