Lisbon to Grand Bois: time difference
Grand Bois is 3 h ahead of Lisbon. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Lisbon 16:13 4:13 PM Grand Bois 19:13 7:13 PM You –:–
16:13 4:13 PM
Western European Summer Time · UTC+1
☀️ 07:49 · 🌙 18:56
19:13 7:13 PM
Mauritius Standard Time · UTC+4
☀️ 05:38 · 🌙 18:14
·
+3 h
Grand Bois is 3 h ahead of Lisbon.
When you, Lisbon and Grand Bois are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇹 Lisbon
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
🇲🇺 Grand Bois
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇹 Lisbon | 🇲🇺 Grand Bois |
|---|---|---|
| Local time | 16:13 | 19:13 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Western European Summer Time | Mauritius Standard Time |
| UTC offset | UTC+1 | UTC+4 |
| Offset from Lisbon | — | +3 h |
| IANA zone | Europe/Lisbon | Indian/Mauritius |
| Daylight saving | On summer time → UTC+0, Oct 25, 01:00 | Not observed |
| Sunrise | 07:49 | 05:38 |
| Sunset | 18:56 | 18:14 |
| Daylight | 11 h 7 min | 12 h 36 min |
| People on this clock | 545,923 | 7,804 |
Compare Lisbon with another city
More comparisons with Lisbon: the time zones next to it and the far side of the clock.
Big time differences
Lisbon and Grand Bois: common questions
What is the time difference between Lisbon and Grand Bois?
Grand Bois is 3 hours ahead: it uses UTC+4, while Lisbon is on UTC+1.
What time is it in Grand Bois when it is 9:00 AM in Lisbon?
When it is 9:00 AM in Lisbon, it is 12:00 PM in Grand Bois.
If it is 6:00 PM in Lisbon, what time is it in Grand Bois?
At 6:00 PM in Lisbon, clocks in Grand Bois show 9:00 PM.
When is a good time to call Grand Bois from Lisbon?
Between 9:00 AM and 3:00 PM in Lisbon – that is 12:00 PM to 6:00 PM in Grand Bois – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Grand Bois compared with Lisbon?
The new day starts in Grand Bois earlier: at 9:00 PM in Lisbon it is already midnight there. Until 3:00 AM in Grand Bois, Lisbon is still on the previous day.
Is the time difference between Lisbon and Grand Bois the same all year?
No. Only Lisbon switches to summer time, so the gap changes twice a year. From October 25, 2026, Grand Bois will be 4 hours ahead of Lisbon.
