Calgary to St.Catharines: time difference
St.Catharines is 2 h ahead of Calgary. 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.
Calgary 01:32 1:32 AM St.Catharines 03:32 3:32 AM You –:–
01:32 1:32 AM
Mountain Daylight Time · UTC-6
☀️ 08:09 · 🌙 18:35
03:32 3:32 AM
Eastern Daylight Time · UTC-4
☀️ 07:38 · 🌙 18:26
·
+2 h
St.Catharines is 2 h ahead of Calgary.
When you, Calgary 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
🇨🇦 Calgary
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
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 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Calgary | 🇨🇦 St.Catharines |
|---|---|---|
| Local time | 01:32 | 03:32 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Mountain Daylight Time | Eastern Daylight Time |
| UTC offset | UTC-6 | UTC-4 |
| Offset from Calgary | — | +2 h |
| IANA zone | America/Edmonton | America/Toronto |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 08:09 | 07:38 |
| Sunset | 18:35 | 18:26 |
| Daylight | 10 h 26 min | 10 h 48 min |
| People on this clock | 1,267,344 | 133,113 |
Compare Calgary with another city
More comparisons with Calgary: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Calgary and St.Catharines: common questions
How far ahead of Calgary is St.Catharines?
St.Catharines is 2 hours ahead of Calgary: UTC−4 against UTC−6.
What time is it in St.Catharines when it is 9:00 AM in Calgary?
When it is 9:00 AM in Calgary, it is 11:00 AM in St.Catharines.
What time is it in St.Catharines at the end of the working day in Calgary?
The working day in Calgary ends at 6:00 PM; in St.Catharines it is 8:00 PM at that moment.
When do working hours in Calgary and in St.Catharines overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Calgary, which is 11:00 AM to 6:00 PM in St.Catharines.
When does the date change in St.Catharines compared with Calgary?
The new day starts in St.Catharines earlier: at 10:00 PM in Calgary it is already midnight there. Until 2:00 AM in St.Catharines, Calgary is still on the previous day.
Is the time difference between Calgary and St.Catharines the same all year?
No. Only St.Catharines switches to summer time, so the gap changes twice a year. From November 1, 2026, St.Catharines will be 1 hour ahead of Calgary.
