Monterrey to St.Catharines: time difference
St.Catharines is 1 h ahead of Monterrey. 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.
Monterrey 05:05 5:05 AM St.Catharines 06:05 6:05 AM You –:–
05:05 5:05 AM
Central Standard Time · UTC-6
☀️ 06:54 · 🌙 17:58
06:05 6:05 AM
Eastern Standard Time · UTC-5
☀️ 06:59 · 🌙 17:04
·
+1 h
St.Catharines is 1 h ahead of Monterrey.
When you, Monterrey and St.Catharines are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇲🇽 Monterrey
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
🇨🇦 St.Catharines
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 | 🇲🇽 Monterrey | 🇨🇦 St.Catharines |
|---|---|---|
| Local time | 05:05 | 06:05 |
| Local date | Friday, November 6, 2026 | Friday, November 6, 2026 |
| Time zone | Central Standard Time | Eastern Standard Time |
| UTC offset | UTC-6 | UTC-5 |
| Offset from Monterrey | — | +1 h |
| IANA zone | America/Monterrey | America/Toronto |
| Daylight saving | Not observed | On standard time → UTC-4, Mar 14, 03:00 |
| Sunrise | 06:54 | 06:59 |
| Sunset | 17:58 | 17:04 |
| Daylight | 11 h 4 min | 10 h 5 min |
| People on this clock | 1,142,994 | 133,113 |
Compare Monterrey with another city
More comparisons with Monterrey: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Monterrey and St.Catharines: common questions
How far ahead of Monterrey is St.Catharines?
St.Catharines is 1 hour ahead of Monterrey: UTC−5 against UTC−6.
If it is 9:00 AM in Monterrey, what time is it in St.Catharines?
At 9:00 AM in Monterrey, clocks in St.Catharines show 10:00 AM.
What time is it in St.Catharines at the end of the working day in Monterrey?
The working day in Monterrey ends at 6:00 PM; in St.Catharines it is 7:00 PM at that moment.
When is a good time to call St.Catharines from Monterrey?
Between 9:00 AM and 5:00 PM in Monterrey – that is 10:00 AM to 6:00 PM in St.Catharines – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in St.Catharines?
From 11:00 PM in Monterrey it is already the next day in St.Catharines. The other way round, until 1:00 AM in St.Catharines it is still the previous day in Monterrey.
Does the time difference between Monterrey and St.Catharines change?
Yes. The clocks change only in St.Catharines. From March 14, 2027, St.Catharines will be 2 hours ahead of Monterrey.
