Roche Terre to Istanbul: time difference
Istanbul is 1 h behind Roche Terre. 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.
Roche Terre 15:20 3:20 PM Istanbul 14:20 2:20 PM You –:–
15:20 3:20 PM
Mauritius Standard Time · UTC+4
☀️ 05:38 · 🌙 18:13
14:20 2:20 PM
GMT+03:00 · UTC+3
☀️ 07:19 · 🌙 18:21
·
−1 h
Istanbul is 1 h behind Roche Terre.
When you, Roche Terre 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
🇲🇺 Roche Terre
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
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇲🇺 Roche Terre | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 15:20 | 14:20 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Mauritius Standard Time | GMT+03:00 |
| UTC offset | UTC+4 | UTC+3 |
| Offset from Roche Terre | — | −1 h |
| IANA zone | Indian/Mauritius | Europe/Istanbul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:38 | 07:19 |
| Sunset | 18:13 | 18:21 |
| Daylight | 12 h 35 min | 11 h 2 min |
| People on this clock | 3,199 | 15,701,602 |
Compare Roche Terre with another city
More comparisons with Roche Terre: the time zones next to it and the far side of the clock.
Big time differences
Roche Terre and Istanbul: common questions
What is the time difference between Roche Terre and Istanbul?
Istanbul is 1 hour behind: it uses UTC+3, while Roche Terre is on UTC+4.
What time is it in Istanbul when it is 9:00 AM in Roche Terre?
When it is 9:00 AM in Roche Terre, it is 8:00 AM in Istanbul.
What time is it in Istanbul at the end of the working day in Roche Terre?
The working day in Roche Terre ends at 6:00 PM; in Istanbul it is 5:00 PM at that moment.
When is a good time to call Istanbul from Roche Terre?
Between 10:00 AM and 6:00 PM in Roche Terre – that is 9:00 AM to 5:00 PM in Istanbul – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Istanbul compared with Roche Terre?
The new day starts in Istanbul later: until 1:00 AM in Roche Terre, it is still the previous day there. From 11:00 PM in Istanbul, Roche Terre is already on the next day.
Does the time gap between Roche Terre and Istanbul change during the year?
No, the clocks change neither in Roche Terre nor in Istanbul, so the gap is 1 hour all year round.
