Calgary to Castries: time difference
Castries 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 22:02 10:02 PM Castries 00:02 12:02 AM You –:–
22:02 10:02 PM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
00:02 12:02 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:49
·
+2 h
Castries is 2 h ahead of Calgary.
When you, Calgary and Castries 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
🇱🇨 Castries
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 | 🇱🇨 Castries |
|---|---|---|
| Local time | 22:02 | 00:02 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Mountain Daylight Time | Atlantic Standard Time |
| UTC offset | UTC-6 | UTC-4 |
| Offset from Calgary | — | +2 h |
| IANA zone | America/Edmonton | America/St Lucia |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:50 | 05:55 |
| Sunset | 18:58 | 17:49 |
| Daylight | 11 h 8 min | 11 h 54 min |
| People on this clock | 1,267,344 | 22,000 |
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 Castries: common questions
What is the time difference between Calgary and Castries?
Castries is 2 hours ahead: it uses UTC−4, while Calgary is on UTC−6.
If it is 9:00 AM in Calgary, what time is it in Castries?
At 9:00 AM in Calgary, clocks in Castries show 11:00 AM.
If it is 6:00 PM in Calgary, what time is it in Castries?
At 6:00 PM in Calgary, clocks in Castries show 8:00 PM.
When is a good time to call Castries from Calgary?
Between 9:00 AM and 4:00 PM in Calgary – that is 11:00 AM to 6:00 PM in Castries – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Castries?
From 10:00 PM in Calgary it is already the next day in Castries. The other way round, until 2:00 AM in Castries it is still the previous day in Calgary.
Does the time gap between Calgary and Castries change during the year?
No, the clocks change neither in Calgary nor in Castries, so the gap is 2 hours all year round.
