Time zone in Tehran
- Time zone: Iran Standard Time
- UTC offset right now: UTC+3:30
- IANA time zone ID: Asia/Tehran
- Country: Iran
Daylight saving time
Tehran does not observe daylight saving time, so the clock stays on Iran Standard Time (UTC+3:30) all year. That makes the gap to places that do switch, like New York or London, change by an hour twice a year.
Good to know
Iran is on a half-hour offset, UTC+3:30, and stopped using daylight saving time in 2022.
Tehran compared to other cities
| City | Time now | vs. Tehran |
|---|---|---|
| New York | — | 7 hrs 30 min behind |
| Los Angeles | — | 10 hrs 30 min behind |
| Chicago | — | 8 hrs 30 min behind |
| London | — | 2 hrs 30 min behind |
| Paris | — | 1 hr 30 min behind |
| Dubai | — | 30 min ahead |
| Mumbai | — | 2 hrs ahead |
| Tokyo | — | 5 hrs 30 min ahead |
Planning a call? Use the time zone converter to check any time of day.
Calling Tehran
Office hours in Tehran and New York overlap for about 0.5 hours a day, from 9 AM to 9:30 AM in New York (4:30 PM to 5 PM in Tehran).
Office hours in Tehran and London overlap for about 5.5 hours a day, from 9 AM to 2:30 PM in London (11:30 AM to 5 PM in Tehran).
When it's 9 AM in Tehran today, it's New York: Wed 1:30 AM · London: Wed 6:30 AM · Dubai: Wed 9:30 AM · Tokyo: Wed 2:30 PM · Sydney: Wed 4:30 PM.