London to Tehran time converter
Tehran is 2 hours 30 minutes ahead of London. When it is 9:00 AM in London, it is 11:30 AM in Tehran.
1:30 AM in London, Saturday, October 17, 2026
London to Tehran conversion table
Every hour of today in London and the matching time in Tehran. Light rows are typical working hours (9:00–18:00).
| London | Tehran |
|---|---|
| 12:00 AM | 2:30 AM |
| 1:00 AM | 3:30 AM |
| 2:00 AM | 4:30 AM |
| 3:00 AM | 5:30 AM |
| 4:00 AM | 6:30 AM |
| 5:00 AM | 7:30 AM |
| 6:00 AM | 8:30 AM |
| 7:00 AM | 9:30 AM |
| 8:00 AM | 10:30 AM |
| 9:00 AM | 11:30 AM |
| 10:00 AM | 12:30 PM |
| 11:00 AM | 1:30 PM |
| 12:00 PM | 2:30 PM |
| 1:00 PM | 3:30 PM |
| 2:00 PM | 4:30 PM |
| 3:00 PM | 5:30 PM |
| 4:00 PM | 6:30 PM |
| 5:00 PM | 7:30 PM |
| 6:00 PM | 8:30 PM |
| 7:00 PM | 9:30 PM |
| 8:00 PM | 10:30 PM |
| 9:00 PM | 11:30 PM |
| 10:00 PM | 12:30 AM+1 day |
| 11:00 PM | 1:30 AM+1 day |
Best time to call or meet
Both sides are at work from 9:00 AM – 3:30 PM in London (11:30 AM – 6:00 PM in Tehran).
Daylight saving time and the difference
The difference changes during the year because London and Tehran switch clocks on different dates:
- Oct 17, 2026 – Oct 25, 2026: +2h 30m
- Oct 25, 2026 – Mar 28, 2027: +3h 30m
- Mar 28, 2027 – Oct 17, 2027: +2h 30m
Distance
London and Tehran are 4,398 km (2,733 miles) apart in a straight line.
More conversions
Questions and answers
What is the time difference between London and Tehran?
Tehran is 2 hours 30 minutes ahead of London.
What time is it in Tehran when it is 9 AM in London?
When it is 9:00 AM in London, it is 11:30 AM in Tehran.
When is the best time to call Tehran from London?
Both sides are at work from 9:00 AM – 3:30 PM in London (11:30 AM – 6:00 PM in Tehran).
Does the time difference between London and Tehran change?
Yes, for part of the year, because daylight saving time starts and ends on different dates or applies on one side only.