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Daylight saving time in Iran
No more clock changes
The last clock change in Iran took place on Thursday 22 September 2022, when the time went from UTC+4:30 to UTC+3:30. Since then it has been UTC+3:30 all year round.
The time all year round
- Tehran · last change on 22 September 2022UTC+3:30 all year
Time difference with London through the year
Tehran no longer changes its clocks but the UK does, so the difference with London varies during the year.
| Period | Difference with London | When it is 12:00 in London |
|---|---|---|
| Right nowuntil 28 March 2027 | 3 h 30 min ahead | 15:30 |
| from 28 March 2027 to 31 October 2027 | 2 h 30 min ahead | 14:30 |
| from 31 October 2027 | 3 h 30 min ahead | 15:30 |