Tehran, Iran to IRST
Compare Tehran time with IRST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
IRST (Iran Standard Time) is 0 hours ahead of Iran Standard Time
3:30 pm15:30 in Tehran, Iran is 3:30 pm15:30 in IRST
Tehran to IRST call time
Best time for a conference call or a meeting is between 9am-5pm in Tehran which corresponds to 9am-5pm in IRST
3:30 pm15:30 IRST (Iran Standard Time) (Tehran, Iran). Offset UTC +3:30 hours
3:30 pm15:30 Iran Standard Time (IRST). Offset UTC +3:30 hours
3:30 pm15:30 Tehran, Iran / 3:30 pm15:30 IRST
| Tehran, Iran | IRST |
|---|---|
| 12am (midnight) | 12am (midnight) |
| 1am | 1am |
| 2am | 2am |
| 3am | 3am |
| 4am | 4am |
| 5am | 5am |
| 6am | 6am |
| 7am | 7am |
| 8am | 8am |
| 9am | 9am |
| 10am | 10am |
| 11am | 11am |
| 12pm (noon) | 12pm (noon) |
| 1pm | 1pm |
| 2pm | 2pm |
| 3pm | 3pm |
| 4pm | 4pm |
| 5pm | 5pm |
| 6pm | 6pm |
| 7pm | 7pm |
| 8pm | 8pm |
| 9pm | 9pm |
| 10pm | 10pm |
| 11pm | 11pm |
| 00:00 | 00:00 |
| 01:00 | 01:00 |
| 02:00 | 02:00 |
| 03:00 | 03:00 |
| 04:00 | 04:00 |
| 05:00 | 05:00 |
| 06:00 | 06:00 |
| 07:00 | 07:00 |
| 08:00 | 08:00 |
| 09:00 | 09:00 |
| 10:00 | 10:00 |
| 11:00 | 11:00 |
| 12:00 | 12:00 |
| 13:00 | 13:00 |
| 14:00 | 14:00 |
| 15:00 | 15:00 |
| 16:00 | 16:00 |
| 17:00 | 17:00 |
| 18:00 | 18:00 |
| 19:00 | 19:00 |
| 20:00 | 20:00 |
| 21:00 | 21:00 |
| 22:00 | 22:00 |
| 23:00 | 23:00 |
Tehran Information
Time Zone
Tehran Facts
Iran Standard Time
Offset: IRST is 3 hours and 30 minutes ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Iran
Principal Cities: The largest city in the IRST time zone is Tehran in Iran, with about 7.153 million people. Other major cities in this time zone include Mashhad, Isfahan, Karaj, Tabriz.
Daylight Saving: Clocks in Iran Standard Time (IRST) do not change for daylight saving time, so IRST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.
IRST representations, usage and related time zones
- +0330 - basic
- +03:30 - extended
- +0330 - sign character (+) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates an offset of three hours and thirty minutes to the east of the zero meridian.