Castries to Calgary: time difference
Calgary is 2 h behind Castries. 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.
Castries 23:11 11:11 PM Calgary 21:11 9:11 PM You –:–
23:11 11:11 PM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:49
21:11 9:11 PM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
·
−2 h
Calgary is 2 h behind Castries.
When you, Castries and Calgary are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇱🇨 Castries
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
🇨🇦 Calgary
22 10 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇱🇨 Castries | 🇨🇦 Calgary |
|---|---|---|
| Local time | 23:11 | 21:11 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Atlantic Standard Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Castries | — | −2 h |
| IANA zone | America/St Lucia | America/Edmonton |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 05:55 | 07:50 |
| Sunset | 17:49 | 18:58 |
| Daylight | 11 h 54 min | 11 h 8 min |
| People on this clock | 22,000 | 1,267,344 |
Compare Castries with another city
More comparisons with Castries: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castries and Calgary: common questions
How far behind Castries is Calgary?
Calgary is 2 hours behind Castries: UTC−6 against UTC−4.
If it is 9:00 AM in Castries, what time is it in Calgary?
At 9:00 AM in Castries, clocks in Calgary show 7:00 AM.
If it is 6:00 PM in Castries, what time is it in Calgary?
At 6:00 PM in Castries, clocks in Calgary show 4:00 PM.
When is a good time to call Calgary from Castries?
Between 11:00 AM and 6:00 PM in Castries – that is 9:00 AM to 4:00 PM in Calgary – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Calgary?
Until 2:00 AM in Castries it is still the previous day in Calgary. The other way round, from 10:00 PM in Calgary it is already the next day in Castries.
Does the time difference between Castries and Calgary change?
No. Neither place uses daylight saving time, so the difference stays 2 hours all year.
