One clock for the whole country, and it stays on UTC+3:30 every day of the year.
Iran at a glance
| Capital | Tehran |
|---|---|
| UTC offsets | UTC+3:30 |
| IANA time zones | 1 |
| Daylight saving time | Not observed since 2022 |
Which time zone Iran uses
The whole of Iran follows one IANA time zone: Asia/Tehran.
| Time zone | Time now | UTC offset | Daylight saving time | Main cities |
|---|---|---|---|---|
| Asia/Tehran | --:-- | UTC+3:30 | Not observed | Tehran, Mashhad, Isfahan |
The offset includes half an hour, so time differences from Iran usually end in :30.
Clock changes in Iran
Clocks in Iran last changed for daylight saving time in 2022. Since then the offset has stayed the same all year.
Local time in the largest cities of Iran
| City | Region | Time now | Time zone |
|---|---|---|---|
| Tehran | Tehran | --:-- | Asia/Tehran |
| Mashhad | Razavi Khorasan | --:-- | Asia/Tehran |
| Isfahan | Isfahan | --:-- | Asia/Tehran |
| Karaj | Alborz Province | --:-- | Asia/Tehran |
| Tabriz | East Azerbaijan | --:-- | Asia/Tehran |
| Shiraz | Fars | --:-- | Asia/Tehran |
| Qom | Qom Province | --:-- | Asia/Tehran |
| Ahvāz | Khuzestan | --:-- | Asia/Tehran |
| Kermanshah | Kermanshah Province | --:-- | Asia/Tehran |
| Rasht | Gilan Province | --:-- | Asia/Tehran |
| Kerman | Kerman | --:-- | Asia/Tehran |
| Urmia | West Azerbaijan | --:-- | Asia/Tehran |
| Zahedan | Sistan and Baluchestan | --:-- | Asia/Tehran |
| Hamadan | Hamadan Province | --:-- | Asia/Tehran |
| Arak | Markazi | --:-- | Asia/Tehran |
| Yazd | Yazd Province | --:-- | Asia/Tehran |
Time in Iran compared with the world
When it is 9:00 AM in Iran, it is 12:30 AM in New York, 4:30 PM in Sydney and 9:30 PM (previous day) in Los Angeles.
| City | Time now | Difference now | In January | In July |
|---|---|---|---|---|
| New York (United States) | --:-- | 8 h 30 min behind | 8 h 30 min behind | 7 h 30 min behind |
| Los Angeles (United States) | --:-- | 11 h 30 min behind | 11 h 30 min behind | 10 h 30 min behind |
| London (United Kingdom) | --:-- | 3 h 30 min behind | 3 h 30 min behind | 2 h 30 min behind |
| Paris (France) | --:-- | 2 h 30 min behind | 2 h 30 min behind | 1 h 30 min behind |
| Dubai (United Arab Emirates) | --:-- | 30 min ahead | 30 min ahead | 30 min ahead |
| Mumbai (India) | --:-- | 2 h ahead | 2 h ahead | 2 h ahead |
| Singapore | --:-- | 4 h 30 min ahead | 4 h 30 min ahead | 4 h 30 min ahead |
| Tokyo (Japan) | --:-- | 5 h 30 min ahead | 5 h 30 min ahead | 5 h 30 min ahead |
| Sydney (Australia) | --:-- | 7 h 30 min ahead | 7 h 30 min ahead | 6 h 30 min ahead |
| UTC | --:-- | 3 h 30 min behind | 3 h 30 min behind | 3 h 30 min behind |
Daylight across Iran
Iran stretches far from north to south, so daylight differs a lot between regions. Around the June solstice, Tabriz gets 14 hours 49 minutes of daylight and Zahedan 14 hours 2 minutes.
Plan around the time in Iran
- Convert a time to or from Iran: pick a date and time and see it in every city on your list.
- Add Tehran to your world clock to keep it next to your own time.
- Find a meeting time that falls inside office hours in Iran and the other cities you work with.
- Open a full-screen clock for your own time zone.
Frequently asked questions
How many time zones does Iran have?
One: Asia/Tehran, at UTC+3:30 all year.
Does Iran use daylight saving time?
Not any more. Clocks last changed for daylight saving time in 2022.
What is the time difference between Iran and New York?
Iran is 8 hours 30 minutes ahead of New York in January and 7 hours 30 minutes ahead of New York in July, because New York moves its clocks for daylight saving time and Iran does not.
Time zone rules: IANA tz database, version 2026e. Place names and coordinates: GeoNames. Sunrise and sunset are calculated from the coordinates and can differ by a minute or two from local almanacs.