Istanbul to Gangtok: time difference
Gangtok is 2 h 30 min ahead of Istanbul. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h 30 min
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Istanbul 02:35 2:35 AM Gangtok 05:05 5:05 AM You –:–
02:35 2:35 AM
GMT+03:00 · UTC+3
☀️ 07:22 · 🌙 18:16
05:05 5:05 AM
India Standard Time · UTC+5:30
☀️ 05:39 · 🌙 17:03
·
+2 h 30 min
Gangtok is 2 h 30 min ahead of Istanbul.
When you, Istanbul and Gangtok 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
🇮🇳 Gangtok
2:30 2:30 AM 3:30 3:30 AM 4:30 4:30 AM 5:30 5:30 AM 6:30 6:30 AM 7:30 7:30 AM 8:30 8:30 AM 9:30 9:30 AM 10:30 10:30 AM 11:30 11:30 AM 12:30 12:30 PM 13:30 1:30 PM 14:30 2:30 PM 15:30 3:30 PM 16:30 4:30 PM 17:30 5:30 PM 18:30 6:30 PM 19:30 7:30 PM 20:30 8:30 PM 21:30 9:30 PM 22:30 10:30 PM 23:30 11:30 PM 0:30 12:30 AM 1:30 1:30 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇷 Istanbul | 🇮🇳 Gangtok |
|---|---|---|
| Local time | 02:35 | 05:05 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | GMT+03:00 | India Standard Time |
| UTC offset | UTC+3 | UTC+5:30 |
| Offset from Istanbul | — | +2 h 30 min |
| IANA zone | Europe/Istanbul | Asia/Kolkata |
| Daylight saving | Not observed | Not observed |
| Sunrise | 07:22 | 05:39 |
| Sunset | 18:16 | 17:03 |
| Daylight | 10 h 54 min | 11 h 23 min |
| People on this clock | 15,701,602 | 100,300 |
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 Gangtok: common questions
What is the time difference between Istanbul and Gangtok?
Gangtok is 2 hours and 30 minutes ahead: it uses UTC+5:30, while Istanbul is on UTC+3.
What time is it in Gangtok when it is 9:00 AM in Istanbul?
When it is 9:00 AM in Istanbul, it is 11:30 AM in Gangtok.
What time is it in Gangtok when it is 6:00 PM in Istanbul?
When it is 6:00 PM in Istanbul, it is 8:30 PM in Gangtok.
Is there a time when both Istanbul and Gangtok are at work?
Yes: from 9:00 AM to 3:30 PM in Istanbul (11:30 AM to 6:00 PM in Gangtok), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Gangtok compared with Istanbul?
The new day starts in Gangtok earlier: at 9:30 PM in Istanbul it is already midnight there. Until 2:30 AM in Gangtok, Istanbul is still on the previous day.
Does the time gap between Istanbul and Gangtok change during the year?
No, the clocks change neither in Istanbul nor in Gangtok, so the gap is 2 hours and 30 minutes all year round.
