Guildford to Istanbul: time difference
Istanbul is 2 h ahead of Guildford. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Guildford 04:19 4:19 AM Istanbul 06:19 6:19 AM You –:–
04:19 4:19 AM
British Summer Time · UTC+1
☀️ 07:18 · 🌙 18:22
06:19 6:19 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
+2 h
Istanbul is 2 h ahead of Guildford.
When you, Guildford and Istanbul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇧 Guildford
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
🇹🇷 Istanbul
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇬🇧 Guildford | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 04:19 | 06:19 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | British Summer Time | GMT+03:00 |
| UTC offset | UTC+1 | UTC+3 |
| Offset from Guildford | — | +2 h |
| IANA zone | Europe/London | Europe/Istanbul |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:18 | 07:10 |
| Sunset | 18:22 | 18:33 |
| Daylight | 11 h 5 min | 11 h 23 min |
| People on this clock | 66,773 | 15,701,602 |
Compare Guildford with another city
More comparisons with Guildford: the time zones next to it and the far side of the clock.
Big time differences
Guildford and Istanbul: common questions
What is the time difference between Guildford and Istanbul?
Istanbul is 2 hours ahead: it uses UTC+3, while Guildford is on UTC+1.
What time is it in Istanbul when it is 9:00 AM in Guildford?
When it is 9:00 AM in Guildford, it is 11:00 AM in Istanbul.
What time is it in Istanbul when it is 6:00 PM in Guildford?
When it is 6:00 PM in Guildford, it is 8:00 PM in Istanbul.
Is there a time when both Guildford and Istanbul are at work?
Yes: from 9:00 AM to 4:00 PM in Guildford (11:00 AM to 6:00 PM in Istanbul), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Istanbul?
From 10:00 PM in Guildford it is already the next day in Istanbul. The other way round, until 2:00 AM in Istanbul it is still the previous day in Guildford.
Is the time difference between Guildford and Istanbul the same all year?
No. Only Guildford switches to summer time, so the gap changes twice a year. From October 25, 2026, Istanbul will be 3 hours ahead of Guildford.
