Leiden to Istanbul: time difference
Istanbul is 1 h ahead of Leiden. 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.
Leiden 03:36 3:36 AM Istanbul 04:36 4:36 AM You –:–
03:36 3:36 AM
Central European Summer Time · UTC+2
☀️ 07:58 · 🌙 19:01
04:36 4:36 AM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
+1 h
Istanbul is 1 h ahead of Leiden.
When you, Leiden 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
🇳🇱 Leiden
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
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 | 🇳🇱 Leiden | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 03:36 | 04:36 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central European Summer Time | GMT+03:00 |
| UTC offset | UTC+2 | UTC+3 |
| Offset from Leiden | — | +1 h |
| IANA zone | Europe/Amsterdam | Europe/Istanbul |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:58 | 07:10 |
| Sunset | 19:01 | 18:33 |
| Daylight | 11 h 3 min | 11 h 23 min |
| People on this clock | 127,089 | 15,701,602 |
Compare Leiden with another city
More comparisons with Leiden: the time zones next to it and the far side of the clock.
Big time differences
Leiden and Istanbul: common questions
What is the time difference between Leiden and Istanbul?
Istanbul is 1 hour ahead: it uses UTC+3, while Leiden is on UTC+2.
If it is 9:00 AM in Leiden, what time is it in Istanbul?
At 9:00 AM in Leiden, clocks in Istanbul show 10:00 AM.
What time is it in Istanbul when it is 6:00 PM in Leiden?
When it is 6:00 PM in Leiden, it is 7:00 PM in Istanbul.
When is a good time to call Istanbul from Leiden?
Between 9:00 AM and 5:00 PM in Leiden – that is 10:00 AM to 6:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Istanbul compared with Leiden?
The new day starts in Istanbul earlier: at 11:00 PM in Leiden it is already midnight there. Until 1:00 AM in Istanbul, Leiden is still on the previous day.
Does the time gap between Leiden and Istanbul change during the year?
Yes – daylight saving time is used in Leiden but not in Istanbul. From October 25, 2026, Istanbul will be 2 hours ahead of Leiden.
