TehranIran
Current time in Tehran, Iran
Thursday, 24 September 2026
Iran Standard TimeUTC+03:30
⛶ Full-screen clockTehran time at a glance
- Country
- Iran
- Location
- Capital city of Iran
- Time zone
Asia/Tehran- UTC offset now
UTC+03:30- Current zone label
- GMT+3:30
- Next clock change
- No upcoming change available
Tehran time guide
Does Tehran change its clocks?
UTC+03:30.- Year-round offset
- Iran Standard Time (IRST), UTC+03:30
- Time-zone identifier
- Asia/Tehran
- Tehran and London
- 3 hours 30 minutes ahead during GMT; 2 hours 30 minutes ahead during BST
- Tehran and New York
- 8 hours 30 minutes ahead during EST; 7 hours 30 minutes ahead during EDT
City and province
Tehran city is smaller than Tehran Province
The Statistical Centre of Iran's 2011 census series counted 8,154,051 residents in Tehran city. Province-level figures include other cities and rural areas, so they should not be used as an unlabeled Tehran city total.
Time-zone identity for Tehran
- IANA zone
Asia/Tehran- UTC offset now
- UTC+03:30
- Current zone label
- GMT+3:30
- Clock-change status
- No UTC offset change was found in the next 370 days.
Tehran is currently 3 hours 30 minutes ahead of UTC. The named zone, rather than the offset alone, should be used for future dates.
Clock changes in Tehran
370-day checked horizon
No UTC offset change was found through Wednesday, 29 September 2027 in runtime time-zone data 2026b.
Time-zone history
UTC offset changes for Tehran
A bounded record of offset transitions calculated for Asia/Tehran, covering 2021 through 2031. Events are offset changes; their legal or daylight-saving cause is not inferred.
Previous 5 years
- UTC+03:30 UTC+03:30UTC offset decreased by
- UTC+04:30 UTC+04:30UTC offset decreased by
Next 5 years
No UTC offset transition was found in the next 5 years.
Dates are calculated from IANA time-zone rules. The calculation checks for offset changes throughout the displayed period and resolves each change to the nearest second.
Capital city context
About Tehran, capital of Iran
Tehran is the capital of Iran. This page combines its live local clock with location, time-zone, weather, Sun and Moon information.
- Capital status
- Capital of Iran
- Administrative area
- Iran
- Population
- 7,153,309
- Coordinates
- 35.6944° N, 51.4215° E. The elevation is 1,178 metres.
Nearby city clocks
Cities near Tehran
Nearby cities are ordered by approximate straight-line distance from Tehran. Times are calculated for the same instant shown above.
- VaḩīdīyehTehran, Iran5 km northeast
Asia/TehranSame local time - Shahrak-e QodsTehran, Iran8.3 km northwest
Asia/TehranSame local time - Morteẕá GerdTehran, Iran12 km southwest
Asia/TehranSame local time - TajrīshTehran, Iran12 km north
Asia/TehranSame local time - Shahrak-e ‘Alā’īnTehran, Iran13 km south
Asia/TehranSame local time - AndīshehTehran, Iran14 km northwest
Asia/TehranSame local time
Sources for Tehran time and city facts
Time-zone calculations use runtime tzdb 2026b. Weather and astronomy sources include their own retrieval times where available.
View 4 sources
- GeoNames cities15000GeoNames · 2026-07-15_01-57-51-849 · CC BY 4.0 · AccessedCity and country names, administrative area, coordinates and population.
- IANA Time Zone DatabaseInternet Assigned Numbers Authority · 2026b · Public domain · AccessedTime-zone names, UTC offsets and clock changes.
- Unicode Common Locale Data RepositoryUnicode Consortium · 48.0 · Unicode License v3 · AccessedEnglish display names for countries, currencies and languages.
- Iran Statistical Yearbook: PopulationStatistical Centre of Iran · 2011 census series · AccessedStatistical Centre of Iran city population table, preserved by the Iran Data Portal.