Sarnia to Monterrey: time difference
Monterrey is 1 h behind Sarnia. 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.
Sarnia 10:00 10:00 AM Monterrey 09:00 9:00 AM You –:–
10:00 10:00 AM
Eastern Standard Time · UTC-5
☀️ 07:11 · 🌙 17:17
09:00 9:00 AM
Central Standard Time · UTC-6
☀️ 06:54 · 🌙 17:58
·
−1 h
Monterrey is 1 h behind Sarnia.
When you, Sarnia and Monterrey are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Sarnia
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
🇲🇽 Monterrey
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 | 🇨🇦 Sarnia | 🇲🇽 Monterrey |
|---|---|---|
| Local time | 10:00 | 09:00 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Eastern Standard Time | Central Standard Time |
| UTC offset | UTC-5 | UTC-6 |
| Offset from Sarnia | — | −1 h |
| IANA zone | America/Toronto | America/Monterrey |
| Daylight saving | On standard time → UTC-4, Mar 14, 03:00 | Not observed |
| Sunrise | 07:11 | 06:54 |
| Sunset | 17:17 | 17:58 |
| Daylight | 10 h 6 min | 11 h 4 min |
| People on this clock | 71,594 | 1,142,994 |
Compare Sarnia with another city
More comparisons with Sarnia: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sarnia and Monterrey: common questions
What is the time difference between Sarnia and Monterrey?
Monterrey is 1 hour behind: it uses UTC−6, while Sarnia is on UTC−5.
What time is it in Monterrey at the start of the working day in Sarnia?
The working day in Sarnia starts at 9:00 AM; in Monterrey it is 8:00 AM at that moment.
If it is 6:00 PM in Sarnia, what time is it in Monterrey?
At 6:00 PM in Sarnia, clocks in Monterrey show 5:00 PM.
When is a good time to call Monterrey from Sarnia?
Between 10:00 AM and 6:00 PM in Sarnia – that is 9:00 AM to 5:00 PM in Monterrey – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Monterrey compared with Sarnia?
The new day starts in Monterrey later: until 1:00 AM in Sarnia, it is still the previous day there. From 11:00 PM in Monterrey, Sarnia is already on the next day.
Does the time difference between Sarnia and Monterrey change?
Yes. The clocks change only in Sarnia. From March 14, 2027, Monterrey will be 2 hours behind Sarnia.
