Istanbul to Dorchester: time difference
Dorchester is 2 h behind Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
−2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 11:40 11:40 AM Dorchester 09:40 9:40 AM You –:–
11:40 11:40 AM
GMT+03:00 · UTC+3
☀️ 07:21 · 🌙 18:18
09:40 9:40 AM
British Summer Time · UTC+1
☀️ 07:41 · 🌙 18:09
·
−2 h
Dorchester is 2 h behind Istanbul.
When you, Istanbul and Dorchester are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇷 Istanbul
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
🇬🇧 Dorchester
22 10 PM 23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇬🇧 Dorchester |
|---|---|---|
| Local time | 11:40 | 09:40 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | GMT+03:00 | British Summer Time |
| UTC offset | UTC+3 | UTC+1 |
| Offset from Istanbul | — | −2 h |
| IANA zone | Europe/Istanbul | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 07:21 | 07:41 |
| Sunset | 18:18 | 18:09 |
| Daylight | 10 h 57 min | 10 h 28 min |
| People on this clock | 15,701,602 | 19,500 |
Compare Istanbul with another city
More comparisons with Istanbul: the time zones next to it and the far side of the clock.
Big time differences
Istanbul and Dorchester: common questions
What is the time difference between Istanbul and Dorchester?
Dorchester is 2 hours behind: it uses UTC+1, while Istanbul is on UTC+3.
What time is it in Dorchester when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 7:00 AM in Dorchester.
What time is it in Dorchester when it is 6:00 PM in Istanbul?
When it is 6:00 PM in Istanbul, it is 4:00 PM in Dorchester.
When is a good time to call Dorchester from Istanbul?
Between 11:00 AM and 6:00 PM in Istanbul – that is 9:00 AM to 4:00 PM in Dorchester – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Dorchester?
Until 2:00 AM in Istanbul it is still the previous day in Dorchester. The other way round, from 10:00 PM in Dorchester it is already the next day in Istanbul.
Does the time difference between Istanbul and Dorchester change?
Yes. The clocks change only in Dorchester. From October 25, 2026, Dorchester will be 3 hours behind Istanbul.
