Grand Bois to Istanbul: time difference
Istanbul is 1 h behind Grand Bois. 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.
Grand Bois 18:19 6:19 PM Istanbul 17:19 5:19 PM You –:–
18:19 6:19 PM
Mauritius Standard Time · UTC+4
☀️ 05:38 · 🌙 18:14
17:19 5:19 PM
GMT+03:00 · UTC+3
☀️ 07:19 · 🌙 18:21
·
−1 h
Istanbul is 1 h behind Grand Bois.
When you, Grand Bois 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
🇲🇺 Grand Bois
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 | 🇲🇺 Grand Bois | 🇹🇷 Istanbul |
|---|---|---|
| Local time | 18:19 | 17:19 |
| 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 Grand Bois | — | −1 h |
| IANA zone | Indian/Mauritius | Europe/Istanbul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:38 | 07:19 |
| Sunset | 18:14 | 18:21 |
| Daylight | 12 h 36 min | 11 h 2 min |
| People on this clock | 7,804 | 15,701,602 |
Compare Grand Bois with another city
More comparisons with Grand Bois: the time zones next to it and the far side of the clock.
Big time differences
Grand Bois and Istanbul: common questions
How many hours behind Grand Bois is Istanbul?
The clocks in Istanbul are 1 hour behind those in Grand Bois (UTC+3 and UTC+4).
What time is it in Istanbul when it is 9:00 AM in Grand Bois?
When it is 9:00 AM in Grand Bois, it is 8:00 AM in Istanbul.
What time is it in Istanbul when it is 6:00 PM in Grand Bois?
When it is 6:00 PM in Grand Bois, it is 5:00 PM in Istanbul.
When do working hours in Grand Bois and in Istanbul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Grand Bois, which is 9:00 AM to 5:00 PM in Istanbul.
Until what time in Grand Bois is it still yesterday in Istanbul?
Before 1:00 AM in Grand Bois, the date in Istanbul has not changed yet. From 11:00 PM in Istanbul, it is already the next day in Grand Bois.
Is the time difference between Grand Bois and Istanbul the same all year?
Yes. Neither Grand Bois nor Istanbul switches to summer time, so the gap is always 1 hour.
