Guaynabo to Montreal: time difference
Montreal is 1 h behind Guaynabo. 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.
Guaynabo 00:07 12:07 AM Montreal 23:07 11:07 PM You –:–
00:07 12:07 AM
Atlantic Standard Time · UTC-4
☀️ 06:27 · 🌙 17:51
23:07 11:07 PM
Eastern Standard Time · UTC-5
☀️ 06:40 · 🌙 16:37
·
−1 h
Montreal is 1 h behind Guaynabo.
When you, Guaynabo 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
🇵🇷 Guaynabo
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 | 🇵🇷 Guaynabo | 🇨🇦 Montreal |
|---|---|---|
| Local time | 00:07 | 23:07 |
| Local date | Friday, November 6, 2026 | Thursday, November 5, 2026 |
| Time zone | Atlantic Standard Time | Eastern Standard Time |
| UTC offset | UTC-4 | UTC-5 |
| Offset from Guaynabo | — | −1 h |
| IANA zone | America/Puerto Rico | America/Toronto |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:27 | 06:40 |
| Sunset | 17:51 | 16:37 |
| Daylight | 11 h 25 min | 9 h 57 min |
| People on this clock | 68,491 | 1,762,949 |
Compare Guaynabo with another city
More comparisons with Guaynabo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Guaynabo and Montreal: common questions
How many hours behind Guaynabo is Montreal?
The clocks in Montreal are 1 hour behind those in Guaynabo (UTC−5 and UTC−4).
If it is 9:00 AM in Guaynabo, what time is it in Montreal?
At 9:00 AM in Guaynabo, clocks in Montreal show 8:00 AM.
What time is it in Montreal when it is 6:00 PM in Guaynabo?
When it is 6:00 PM in Guaynabo, it is 5:00 PM in Montreal.
When do working hours in Guaynabo and in Montreal overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Guaynabo, which is 9:00 AM to 5:00 PM in Montreal.
Until what time in Guaynabo is it still yesterday in Montreal?
Before 1:00 AM in Guaynabo, the date in Montreal has not changed yet. From 11:00 PM in Montreal, it is already the next day in Guaynabo.
Does the time difference between Guaynabo and Montreal change?
Yes. The clocks change only in Montreal. From March 14, 2027, Montreal and Guaynabo will have the same time.