Hamadan to London: time difference
London is 2 h 30 min behind Hamadan. Live clocks for both, the working hours they share, and how each one sits against your own time.
−2 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Hamadan 04:57 4:57 AM London 02:27 2:27 AM You –:–
04:57 4:57 AM
Iran Standard Time · UTC+3:30
☀️ 06:24 · 🌙 17:40
02:27 2:27 AM
British Summer Time · UTC+1
☀️ 07:28 · 🌙 18:05
·
−2 h 30 min
London is 2 h 30 min behind Hamadan.
When you, Hamadan and London are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇷 Hamadan
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇬🇧 London
21:30 9:30 PM 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM 2:30 2:30 AM 3:30 3:30 AM 4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM 15:30 3:30 PM 16:30 4:30 PM 17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇷 Hamadan | 🇬🇧 London |
|---|---|---|
| Local time | 04:57 | 02:27 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Iran Standard Time | British Summer Time |
| UTC offset | UTC+3:30 | UTC+1 |
| Offset from Hamadan | — | −2 h 30 min |
| IANA zone | Asia/Tehran | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:24 | 07:28 |
| Sunset | 17:40 | 18:05 |
| Daylight | 11 h 17 min | 10 h 37 min |
| People on this clock | 526,000 | 8,908,083 |
Compare Hamadan with another city
More comparisons with Hamadan: the time zones next to it and the far side of the clock.
Big time differences
Hamadan and London: common questions
How many hours behind Hamadan is London?
The clocks in London are 2 hours and 30 minutes behind those in Hamadan (UTC+1 and UTC+3:30).
If it is 9:00 AM in Hamadan, what time is it in London?
At 9:00 AM in Hamadan, clocks in London show 6:30 AM.
What time is it in London when it is 6:00 PM in Hamadan?
When it is 6:00 PM in Hamadan, it is 3:30 PM in London.
Is there a time when both Hamadan and London are at work?
Yes: from 11:30 AM to 6:00 PM in Hamadan (9:00 AM to 3:30 PM in London), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in London compared with Hamadan?
The new day starts in London later: until 2:30 AM in Hamadan, it is still the previous day there. From 9:30 PM in London, Hamadan is already on the next day.
Is the time difference between Hamadan and London the same all year?
No. Only London switches to summer time, so the gap changes twice a year. From October 25, 2026, London will be 3 hours and 30 minutes behind Hamadan.
