Charleston, SC to Calgary: time difference
Calgary is 2 h behind Charleston, SC. 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.
Charleston, SC 05:55 5:55 AM Calgary 03:55 3:55 AM You –:–
05:55 5:55 AM
Eastern Daylight Time · UTC-4
☀️ 07:27 · 🌙 18:44
03:55 3:55 AM
Mountain Daylight Time · UTC-6
☀️ 08:05 · 🌙 18:39
·
−2 h
Calgary is 2 h behind Charleston, SC.
When you, Charleston, SC 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
🇺🇸 Charleston, SC
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
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Time zones side by side
| Detail | 🇺🇸 Charleston, SC | 🇨🇦 Calgary |
|---|---|---|
| Local time | 05:55 | 03:55 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Charleston, SC | — | −2 h |
| IANA zone | America/New York | America/Edmonton |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:27 | 08:05 |
| Sunset | 18:44 | 18:39 |
| Daylight | 11 h 18 min | 10 h 34 min |
| People on this clock | 150,227 | 1,267,344 |
Compare Charleston, SC with another city
More comparisons with Charleston, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Charleston, SC and Calgary: common questions
How many hours behind Charleston, SC, is Calgary?
The clocks in Calgary are 2 hours behind those in Charleston (UTC−6 and UTC−4).
What time is it in Calgary at the start of the working day in Charleston, SC?
The working day in Charleston starts at 9:00 AM; in Calgary it is 7:00 AM at that moment.
What time is it in Calgary when it is 6:00 PM in Charleston, SC?
When it is 6:00 PM in Charleston, it is 4:00 PM in Calgary.
When do working hours in Charleston, SC, and in Calgary overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Charleston, which is 9:00 AM to 4:00 PM in Calgary.
Until what time in Charleston, SC, is it still yesterday in Calgary?
Before 2:00 AM in Charleston, the date in Calgary has not changed yet. From 10:00 PM in Calgary, it is already the next day in Charleston.
Does the time gap between Charleston, SC, and Calgary change during the year?
Yes – daylight saving time is used in Charleston but not in Calgary. From November 1, 2026, Calgary will be 1 hour behind Charleston.
