Ratnapura to Istanbul: time difference
Istanbul is 2 h 30 min behind Ratnapura. 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.
Ratnapura 17:34 5:34 PM Istanbul 15:04 3:04 PM You –:–
17:34 5:34 PM
India Standard Time · UTC+5:30
☀️ 05:56 · 🌙 17:56
15:04 3:04 PM
GMT+03:00 · UTC+3
☀️ 07:10 · 🌙 18:33
·
−2 h 30 min
Istanbul is 2 h 30 min behind Ratnapura.
When you, Ratnapura 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
🇱🇰 Ratnapura
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇱🇰 Ratnapura | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 17:34 | 15:04 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | India Standard Time | GMT+03:00 |
| UTC offset | UTC+5:30 | UTC+3 |
| Offset from Ratnapura | — | −2 h 30 min |
| IANA zone | Asia/Colombo | Europe/Istanbul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:56 | 07:10 |
| Sunset | 17:56 | 18:33 |
| Daylight | 12 h 1 min | 11 h 23 min |
| People on this clock | 52,100 | 15,701,602 |
Compare Ratnapura with another city
More comparisons with Ratnapura: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ratnapura and Istanbul: common questions
How far behind Ratnapura is Istanbul?
Istanbul is 2 hours and 30 minutes behind Ratnapura: UTC+3 against UTC+5:30.
If it is 9:00 AM in Ratnapura, what time is it in Istanbul?
At 9:00 AM in Ratnapura, clocks in Istanbul show 6:30 AM.
What time is it in Istanbul when it is 6:00 PM in Ratnapura?
When it is 6:00 PM in Ratnapura, it is 3:30 PM in Istanbul.
Is there a time when both Ratnapura and Istanbul are at work?
Yes: from 11:30 AM to 6:00 PM in Ratnapura (9:00 AM to 3:30 PM in Istanbul), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Istanbul compared with Ratnapura?
The new day starts in Istanbul later: until 2:30 AM in Ratnapura, it is still the previous day there. From 9:30 PM in Istanbul, Ratnapura is already on the next day.
Does the time difference between Ratnapura and Istanbul change?
No. Neither place uses daylight saving time, so the difference stays 2 hours and 30 minutes all year.
