No clock change is expected in the next year.
No clock changes this year.
All of Iran uses Iran Standard Time.
- UTC+3:30 · UTC+3:30Tehran, Razavi Khorasan, Isfahan, Alborz Province, East Azerbaijan and moreNo daylight saving time
Zones with matching offsets and clock changes over the next year are grouped together.
Time difference from Tīrān
Time differenceSun in Tīrān today
Daylight10h 35m today - 3h 43m less than the longest day and 0h 35m more than the shortest day.
Calculated from coordinates; sunrise and sunset are approximate.
- ⌖Region
- Isfahan
- ◉Population
- 21,703
- ☎Dialing code
- ¤Currency
- IRR · Rial
Public holidays in Iran
HolidaysMartyrdom of Fatima-Zahara
Friday · in 2 days
Nationallong weekendBirthday of Imam Ali
Tuesday · in 41 days
NationalMabaas of Muhammad
Tuesday · in 55 days
NationalBirthday of Imam Mahdi
Saturday · in 73 days
NationalAnniversary of Islamic Revolution
Thursday · in 92 days
National
Same time zone rules
Matching offsets and clock changes over the next year.
Same UTC offset right now
No matching cities with different clock rules in this catalog.









Baghdad633 km · 30 min behind - no DST 
Riyadh990 km · 30 min behind - no DST
Common questions
Quick answers- 01What time zone is Tīrān in?
- Tīrān uses Asia/Tehran: UTC+3:30 (UTC+3:30).
- 02Does Tīrān have daylight saving time?
- No. This time zone does not observe daylight saving time this year.
- 03What is the time difference between Tīrān and London?
- Tīrān is 3 h 30 min ahead relative to London right now.
- 04What is a good time to call Tīrān from New York?
- Working hours do not overlap. Best edge-of-day option: 09:00-10:00 in New York = 17:30-18:30 in Tīrān.
Time zones: IANA via Intl. Holidays: date-holidays. Sun calculations: SunCalc. City data: GeoNames. Airport data: OurAirports.