Calgary to Charlestown: time difference
Charlestown 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 04:08 4:08 AM Charlestown 06:08 6:08 AM You –:–
04:08 4:08 AM
Mountain Daylight Time · UTC-6
☀️ 07:52 · 🌙 18:56
06:08 6:08 AM
Atlantic Standard Time · UTC-4
☀️ 06:03 · 🌙 17:53
·
+2 h
Charlestown is 2 h ahead of Calgary.
When you, Calgary and Charlestown 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
🇰🇳 Charlestown
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 | 🇰🇳 Charlestown |
|---|---|---|
| Local time | 04:08 | 06:08 |
| Local date | Saturday, October 10, 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 Kitts |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:52 | 06:03 |
| Sunset | 18:56 | 17:53 |
| Daylight | 11 h 4 min | 11 h 51 min |
| People on this clock | 1,267,344 | 1,500 |
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 Charlestown: common questions
What is the time difference between Calgary and Charlestown?
Charlestown 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 Charlestown?
At 9:00 AM in Calgary, clocks in Charlestown show 11:00 AM.
If it is 6:00 PM in Calgary, what time is it in Charlestown?
At 6:00 PM in Calgary, clocks in Charlestown show 8:00 PM.
When do working hours in Calgary and in Charlestown 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 Charlestown.
From what time in Calgary is it tomorrow in Charlestown?
Once it is 10:00 PM in Calgary, the date in Charlestown has already changed. Until 2:00 AM in Charlestown, it is still the previous day in Calgary.
Is the time difference between Calgary and Charlestown the same all year?
Yes. Neither Calgary nor Charlestown switches to summer time, so the gap is always 2 hours.
