About Iran Standard Time
- Standard offset
- UTC+3:30
- Abbreviation
- IRST
- Observes DST
- No
Used in: Iran.
Iran keeps a half-hour offset that sets it apart from every one of its neighbors. A deliberate marking-out of Iranian time, pinned to a meridian running through the country's interior rather than borrowed from anyone next door.
Daylight saving time
Iran Standard Time does not observe daylight saving time — it stays at UTC+3:30 all year.
See the daylight saving time page for transition dates across every time zone.
Daylight today
Sun times at the representative location for Iran Standard Time.
- Sunrise
- 4:50 AM
- Sunset
- 7:18 PM
- Day length
- 14h 28m
Major cities in Iran Standard Time
The current local time in these cities matches Iran Standard Time.
Browse all cities to see the current local time anywhere.
Convert Iran Standard Time to
Frequently asked questions
- What is Iran Standard Time (IRST)?
- Iran Standard Time (IRST) is UTC+3:30 year-round — a half-hour offset that no longer observes daylight saving.
- What is IRST in UTC?
- IRST is UTC+3:30, the same all year.
- Does Iran Standard Time observe daylight saving time?
- No. Iran Standard Time stays at UTC+3:30 year-round.