Time in Tehran, Iran
Tehran, Iran is on UTC+3:30 all year, with no daylight saving time.
Daylight saving time in Tehran
Tehran does not change its clocks: it stays on UTC+3:30 all year.
Tehran business hours around the world
9 AM to 5 PM in Tehran is 5:30 AM–1:30 PM UTC on Oct 23, 2026.
| City | Difference | 9:00 AM in Tehran is |
|---|---|---|
| New York | 7 hours 30 minutes behind | 1:30 AM |
| Los Angeles | 10 hours 30 minutes behind | 10:30 PM (previous day) |
| London | 2 hours 30 minutes behind | 6:30 AM |
| Paris | 1 hour 30 minutes behind | 7:30 AM |
| Mumbai | 2 hours ahead | 11:00 AM |
| Singapore | 4 hours 30 minutes ahead | 1:30 PM |
| Tokyo | 5 hours 30 minutes ahead | 2:30 PM |
| Sydney | 7 hours 30 minutes ahead | 4:30 PM |
Questions
What time zone is Tehran in?
Tehran uses the IANA time zone Asia/Tehran. It is UTC+3:30 all year.
Does Tehran observe daylight saving time?
No. Tehran keeps the same clock all year, so its difference to places that do change (such as New York or London) shifts by an hour twice a year.
What is the time difference between Tehran and New York?
On Oct 23, 2026, New York is 7 hours 30 minutes behind Tehran. 9:00 AM in Tehran is 1:30 AM in New York.
What are business hours in Tehran in UTC?
On Oct 23, 2026, 9 AM to 5 PM in Tehran is 5:30 AM–1:30 PM UTC.
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Computed from the IANA time zone database on Oct 23, 2026. Live clocks and the converter use your browser's copy of the same data.