Istanbul to Sur: time difference
Sur is 1 h ahead of Istanbul. 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.
Istanbul 12:39 12:39 PM Sur 13:39 1:39 PM You –:–
12:39 12:39 PM
GMT+03:00 · UTC+3
☀️ 07:21 · 🌙 18:18
13:39 1:39 PM
Gulf Standard Time · UTC+4
☀️ 06:01 · 🌙 17:34
·
+1 h
Sur is 1 h ahead of Istanbul.
When you, Istanbul and Sur 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
🇴🇲 Sur
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇴🇲 Sur |
|---|---|---|
| Local time | 12:39 | 13:39 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | GMT+03:00 | Gulf Standard Time |
| UTC offset | UTC+3 | UTC+4 |
| Offset from Istanbul | — | +1 h |
| IANA zone | Europe/Istanbul | Asia/Muscat |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:21 | 06:01 |
| Sunset | 18:18 | 17:34 |
| Daylight | 10 h 57 min | 11 h 33 min |
| People on this clock | 15,701,602 | 120,000 |
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 Sur: common questions
How far ahead of Istanbul is Sur?
Sur is 1 hour ahead of Istanbul: UTC+4 against UTC+3.
What time is it in Sur when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 10:00 AM in Sur.
What time is it in Sur at the end of the working day in Istanbul?
The working day in Istanbul ends at 6:00 PM; in Sur it is 7:00 PM at that moment.
When is a good time to call Sur from Istanbul?
Between 9:00 AM and 5:00 PM in Istanbul – that is 10:00 AM to 6:00 PM in Sur – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Sur?
From 11:00 PM in Istanbul it is already the next day in Sur. The other way round, until 1:00 AM in Sur it is still the previous day in Istanbul.
Does the time difference between Istanbul and Sur change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
