Clock change · IANA tzdata 2026e
Does Iran change its clocks?
No: Iran keeps the same time all year, UTC+3:30. IANA tzdata 2026e has no clock change scheduled.
No clock change
UTC+3:30 all year
Last changeThursday, 22 September 2022: the clocks went back 1 hour, from UTC+4:30 to UTC+3:30.
Now in TehranUTC+3:30
History
When did Iran last change its clocks?
Thursday, 22 September 2022: the clocks went back 1 hour, from UTC+4:30 to UTC+3:30.
No clock change in 2026–2028.
Questions
Clock changes in Iran: questions
When do the clocks change in Iran in 2026?
There is no clock change in Iran in 2026: UTC+3:30 all year.
Do the clocks go forward or back?
Neither: Iran keeps UTC+3:30 all year.
Will I get an hour more sleep?
No: the clocks do not change in Iran, so every night has its usual length.
Does Iran still use daylight saving time?
No: Iran keeps UTC+3:30 all year. The clocks last changed on Thursday, 22 September 2022.