Montreal to Altos: time difference
Altos 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 03:14 3:14 AM Altos 04:14 4:14 AM You –:–
03:14 3:14 AM
Eastern Daylight Time · UTC-4
☀️ 07:04 · 🌙 18:19
04:14 4:14 AM
Paraguay Summer Time · UTC-3
☀️ 06:20 · 🌙 18:53
·
+1 h
Altos is 1 h ahead of Montreal.
When you, Montreal and Altos 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
🇵🇾 Altos
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 | 🇵🇾 Altos |
|---|---|---|
| Local time | 03:14 | 04:14 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Eastern Daylight Time | Paraguay Summer Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Montreal | — | +1 h |
| IANA zone | America/Toronto | America/Asuncion |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-4, Mar 27, 23:00 |
| Sunrise | 07:04 | 06:20 |
| Sunset | 18:19 | 18:53 |
| Daylight | 11 h 15 min | 12 h 33 min |
| People on this clock | 1,762,949 | 4,763 |
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 Altos: common questions
How far ahead of Montreal is Altos?
Altos is 1 hour ahead of Montreal: UTC−3 against UTC−4.
What time is it in Altos at the start of the working day in Montreal?
The working day in Montreal starts at 9:00 AM; in Altos it is 10:00 AM at that moment.
If it is 6:00 PM in Montreal, what time is it in Altos?
At 6:00 PM in Montreal, clocks in Altos show 7:00 PM.
When do working hours in Montreal and in Altos overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Montreal, which is 10:00 AM to 6:00 PM in Altos.
When does the date change in Altos compared with Montreal?
The new day starts in Altos earlier: at 11:00 PM in Montreal it is already midnight there. Until 1:00 AM in Altos, Montreal is still on the previous day.
Does the time difference between Montreal and Altos change?
Yes. The clocks change only in Montreal. From November 1, 2026, Altos will be 2 hours ahead of Montreal.
