Montreal to Guaynabo: time difference
Guaynabo is 1 h ahead of Montreal. 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.
Montreal 00:13 12:13 AM Guaynabo 01:13 1:13 AM You –:–
00:13 12:13 AM
Eastern Standard Time · UTC-5
☀️ 06:41 · 🌙 16:36
01:13 1:13 AM
Atlantic Standard Time · UTC-4
☀️ 06:27 · 🌙 17:51
·
+1 h
Guaynabo is 1 h ahead of Montreal.
When you, Montreal and Guaynabo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Montreal
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
🇵🇷 Guaynabo
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Montreal | 🇵🇷 Guaynabo |
|---|---|---|
| Local time | 00:13 | 01:13 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern Standard Time | Atlantic Standard Time |
| UTC offset | UTC-5 | UTC-4 |
| Offset from Montreal | — | +1 h |
| IANA zone | America/Toronto | America/Puerto Rico |
| Daylight saving | On standard time → UTC-4, Mar 14, 03:00 | Not observed |
| Sunrise | 06:41 | 06:27 |
| Sunset | 16:36 | 17:51 |
| Daylight | 9 h 55 min | 11 h 24 min |
| People on this clock | 1,762,949 | 68,491 |
Compare Montreal with another city
More comparisons with Montreal: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montreal and Guaynabo: common questions
What is the time difference between Montreal and Guaynabo?
Guaynabo is 1 hour ahead: it uses UTC−4, while Montreal is on UTC−5.
If it is 9:00 AM in Montreal, what time is it in Guaynabo?
At 9:00 AM in Montreal, clocks in Guaynabo show 10:00 AM.
What time is it in Guaynabo when it is 6:00 PM in Montreal?
When it is 6:00 PM in Montreal, it is 7:00 PM in Guaynabo.
When is a good time to call Guaynabo from Montreal?
Between 9:00 AM and 5:00 PM in Montreal – that is 10:00 AM to 6:00 PM in Guaynabo – both places are within working hours (9:00 AM–6:00 PM).
From what time in Montreal is it tomorrow in Guaynabo?
Once it is 11:00 PM in Montreal, the date in Guaynabo has already changed. Until 1:00 AM in Guaynabo, it is still the previous day in Montreal.
Does the time gap between Montreal and Guaynabo change during the year?
Yes – daylight saving time is used in Montreal but not in Guaynabo. From March 14, 2027, Guaynabo and Montreal will have the same time.
