Kourou to Montreal: time difference
Montreal is 1 h behind Kourou. 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.
Kourou 05:39 5:39 AM Montreal 04:39 4:39 AM You –:–
05:39 5:39 AM
French Guiana Time · UTC-3
☀️ 06:17 · 🌙 18:19
04:39 4:39 AM
Eastern Daylight Time · UTC-4
☀️ 07:04 · 🌙 18:19
·
−1 h
Montreal is 1 h behind Kourou.
When you, Kourou and Montreal are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇬🇫 Kourou
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
🇨🇦 Montreal
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 | 🇬🇫 Kourou | 🇨🇦 Montreal |
|---|---|---|
| Local time | 05:39 | 04:39 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | French Guiana Time | Eastern Daylight Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Kourou | — | −1 h |
| IANA zone | America/Cayenne | America/Toronto |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:17 | 07:04 |
| Sunset | 18:19 | 18:19 |
| Daylight | 12 h 2 min | 11 h 15 min |
| People on this clock | 24,903 | 1,762,949 |
Compare Kourou with another city
More comparisons with Kourou: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Kourou and Montreal: common questions
How many hours behind Kourou is Montreal?
The clocks in Montreal are 1 hour behind those in Kourou (UTC−4 and UTC−3).
What time is it in Montreal at the start of the working day in Kourou?
The working day in Kourou starts at 9:00 AM; in Montreal it is 8:00 AM at that moment.
What time is it in Montreal at the end of the working day in Kourou?
The working day in Kourou ends at 6:00 PM; in Montreal it is 5:00 PM at that moment.
Is there a time when both Kourou and Montreal are at work?
Yes: from 10:00 AM to 6:00 PM in Kourou (9:00 AM to 5:00 PM in Montreal), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Montreal?
Until 1:00 AM in Kourou it is still the previous day in Montreal. The other way round, from 11:00 PM in Montreal it is already the next day in Kourou.
Is the time difference between Kourou and Montreal the same all year?
No. Only Montreal switches to summer time, so the gap changes twice a year. From November 1, 2026, Montreal will be 2 hours behind Kourou.
