Time zone
Iran Standard Time (UTC+3:30), UTC+3:30. IANA zone Asia/Tehran.
Tuesday, November 3, 2026
UTC+3:30 · UTC+3:30 Iran Standard Time
Iran Standard Time (UTC+3:30), UTC+3:30. IANA zone Asia/Tehran.
Tehran does not change its clocks; it stays on UTC+3:30 all year.
Tehran, Iran. Coordinates 35.69° N, 51.42° E; population about 7,153,309.
Calculated for the city centre at sea level; accurate to about a minute. Golden hour is when the sun is between 4° below and 6° above the horizon; blue hour between 6° and 4° below. See the whole month or another date.
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| City | Local time | Difference from Tehran |
|---|---|---|
| New York City, New York | 7:00 AM | 8 hours 30 minutes behind Tehran |
| Los Angeles, California | 4:00 AM | 11 hours 30 minutes behind Tehran |
| Chicago, Illinois | 6:00 AM | 9 hours 30 minutes behind Tehran |
| Denver, Colorado | 5:00 AM | 10 hours 30 minutes behind Tehran |
| Phoenix, Arizona | 5:00 AM | 10 hours 30 minutes behind Tehran |
| Honolulu, Hawaii | 2:00 AM | 13 hours 30 minutes behind Tehran |
| Anchorage, Alaska | 3:00 AM | 12 hours 30 minutes behind Tehran |
| Toronto, Canada | 7:00 AM | 8 hours 30 minutes behind Tehran |
| Vancouver, Canada | 5:00 AM | 10 hours 30 minutes behind Tehran |
| Mexico City, Mexico | 6:00 AM | 9 hours 30 minutes behind Tehran |
| São Paulo, Brazil | 9:00 AM | 6 hours 30 minutes behind Tehran |
| Buenos Aires, Argentina | 9:00 AM | 6 hours 30 minutes behind Tehran |
| London, United Kingdom | 12:00 PM | 3 hours 30 minutes behind Tehran |
| Dublin, Ireland | 12:00 PM | 3 hours 30 minutes behind Tehran |
Tehran uses Iran Standard Time (UTC+3:30, UTC+3:30) all year. Its IANA time-zone identifier is Asia/Tehran, which is what phones and computers use to set the local time.
No. Tehran stays on UTC+3:30 all year, so its clocks do not change for daylight saving time.
Tehran is 3 hours 30 minutes ahead of UTC.
The table above shows today’s sunrise, sunset and day length for the city centre. As an example, on Tuesday, November 3, 2026 the sun rose at 6:27 AM and set at 5:07 PM, giving 10 h 40 min of daylight.