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- Type a city, a country or a zone such as “CET” or “Tokyo”.
Current local time in Semnan, Iran
Asia/Tehran
Observatory log
Semnan, observed
- 01Time zone
Iran Standard Time
UTC+3:30 · IANA
Asia/Tehran- 02Daylight saving
Iran does not observe daylight saving time.
Clocks stay on UTC+3:30 all year. No change is scheduled in tzdata 2026e.
- 03Sun today
- Sunrise06:06Sunset17:16Day length11 h 10 minSolar noon11:41
MoonWaxing gibbous, 57% lit
Golden hour05:50–06:41 · 16:42–17:32
- 04Working hours
Counted as 09:00–17:00 local; the weekend in Iran is Friday.
- 05Best time to call
- 06Time zones in Iran
Iran uses a single time zone: Asia/Tehran.
- 08Coordinates
35.55° N, 53.37° E
Differences
Semnan and the world
| City | Local time | Difference from SemnanDiff. |
|---|---|---|
 London | −2 h 30 min | |
 New York | −7 h 30 min | |
| Los Angeles | −10 h 30 min | |
| Chicago | −8 h 30 min | |
 São Paulo | −6 h 30 min | |
 Paris | −1 h 30 min | |
 Dubai | +30 min | |
 Mumbai | +2 h | |
 Singapore | +4 h 30 min | |
 Hong Kong | +4 h 30 min | |
 Tokyo | +5 h 30 min |
Questions
Asked about Semnan
What time zone is Semnan in?
Semnan uses Iran Standard Time, UTC+3:30. Its IANA time-zone ID is Asia/Tehran.
Does Iran use daylight saving time?
No. Iran does not observe daylight saving time: the clocks stay on Iran Standard Time (UTC+3:30) all year.
When does the sun rise and set in Semnan today?
Today in Semnan the sun rises at 06:06 and sets at 17:16, giving 11 h 10 min of daylight.