Calgary to Columbia, MD: time difference
Columbia, MD 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 09:03 9:03 AM Columbia, MD 11:03 11:03 AM You –:–
09:03 9:03 AM
Mountain Daylight Time · UTC-6
☀️ 07:52 · 🌙 18:56
11:03 11:03 AM
Eastern Daylight Time · UTC-4
☀️ 07:13 · 🌙 18:37
·
+2 h
Columbia, MD is 2 h ahead of Calgary.
When you, Calgary and Columbia, MD 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
🇺🇸 Columbia, MD
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 | 🇺🇸 Columbia, MD |
|---|---|---|
| Local time | 09:03 | 11:03 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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/New York |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 07:52 | 07:13 |
| Sunset | 18:56 | 18:37 |
| Daylight | 11 h 4 min | 11 h 25 min |
| People on this clock | 1,267,344 | 139,698 |
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 Columbia, MD: common questions
How many hours ahead of Calgary is Columbia, MD?
The clocks in Columbia are 2 hours ahead of those in Calgary (UTC−4 and UTC−6).
What time is it in Columbia, MD, when it is 9:00 AM in Calgary?
When it is 9:00 AM in Calgary, it is 11:00 AM in Columbia.
What time is it in Columbia, MD, when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 8:00 PM in Columbia.
When do working hours in Calgary and in Columbia, MD, 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 Columbia.
When is it already the next day in Columbia, MD?
From 10:00 PM in Calgary it is already the next day in Columbia. The other way round, until 2:00 AM in Columbia it is still the previous day in Calgary.
Is the time difference between Calgary and Columbia, MD, the same all year?
No. Only Columbia switches to summer time, so the gap changes twice a year. From November 1, 2026, Columbia will be 1 hour ahead of Calgary.
