Calgary to Boston, MA: time difference
Boston, MA 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 23:26 11:26 PM Boston, MA 01:26 1:26 AM You –:–
23:26 11:26 PM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
01:26 1:26 AM
Eastern Daylight Time · UTC-4
☀️ 06:52 · 🌙 18:12
·
+2 h
Boston, MA is 2 h ahead of Calgary.
When you, Calgary and Boston, MA 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
🇺🇸 Boston, MA
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 | 🇺🇸 Boston, MA |
|---|---|---|
| Local time | 23:26 | 01:26 |
| Local date | Friday, October 9, 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 | 07:50 | 06:52 |
| Sunset | 18:58 | 18:12 |
| Daylight | 11 h 8 min | 11 h 20 min |
| People on this clock | 1,267,344 | 675,647 |
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 Boston, MA: common questions
How many hours ahead of Calgary is Boston, MA?
The clocks in Boston are 2 hours ahead of those in Calgary (UTC−4 and UTC−6).
What time is it in Boston, MA, at the start of the working day in Calgary?
The working day in Calgary starts at 9:00 AM; in Boston it is 11:00 AM at that moment.
What time is it in Boston, MA, when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 8:00 PM in Boston.
Is there a time when both Calgary and Boston, MA, are at work?
Yes: from 9:00 AM to 4:00 PM in Calgary (11:00 AM to 6:00 PM in Boston), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Boston, MA, compared with Calgary?
The new day starts in Boston earlier: at 10:00 PM in Calgary it is already midnight there. Until 2:00 AM in Boston, Calgary is still on the previous day.
Is the time difference between Calgary and Boston, MA, the same all year?
No. Only Boston switches to summer time, so the gap changes twice a year. From November 1, 2026, Boston will be 1 hour ahead of Calgary.
