Istanbul to Greenwich: time difference
Greenwich 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 00:28 12:28 AM Greenwich 22:28 10:28 PM You –:–
00:28 12:28 AM
GMT+03:00 · UTC+3
☀️ 07:21 · 🌙 18:18
22:28 10:28 PM
British Summer Time · UTC+1
☀️ 07:33 · 🌙 17:58
·
−2 h
Greenwich is 2 h behind Istanbul.
When you, Istanbul and Greenwich 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
🇬🇧 Greenwich
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 | 🇬🇧 Greenwich |
|---|---|---|
| Local time | 00:28 | 22:28 |
| Local date | Wednesday, October 21, 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 | 07:33 |
| Sunset | 18:18 | 17:58 |
| Daylight | 10 h 57 min | 10 h 26 min |
| People on this clock | 15,701,602 | 285,000 |
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 Greenwich: common questions
How many hours behind Istanbul is Greenwich?
The clocks in Greenwich are 2 hours behind those in Istanbul (UTC+1 and UTC+3).
What time is it in Greenwich when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 7:00 AM in Greenwich.
What time is it in Greenwich at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Greenwich it is 4:00 PM at that moment.
Is there a time when both Istanbul and Greenwich are at work?
Yes: from 11:00 AM to 6:00 PM in Istanbul (9:00 AM to 4:00 PM in Greenwich), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Istanbul is it still yesterday in Greenwich?
Before 2:00 AM in Istanbul, the date in Greenwich has not changed yet. From 10:00 PM in Greenwich, it is already the next day in Istanbul.
Does the time difference between Istanbul and Greenwich change?
Yes. The clocks change only in Greenwich. From October 25, 2026, Greenwich will be 3 hours behind Istanbul.
