Calgary to Acton, MA: time difference
Acton, 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 20:47 8:47 PM Acton, MA 22:47 10:47 PM You –:–
20:47 8:47 PM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
22:47 10:47 PM
Eastern Daylight Time · UTC-4
☀️ 06:52 · 🌙 18:15
·
+2 h
Acton, MA is 2 h ahead of Calgary.
When you, Calgary and Acton, 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
🇺🇸 Acton, 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 | 🇺🇸 Acton, MA |
|---|---|---|
| Local time | 20:47 | 22:47 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 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 | 18:15 |
| Daylight | 11 h 8 min | 11 h 23 min |
| People on this clock | 1,267,344 | 7,596 |
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 Acton, MA: common questions
What is the time difference between Calgary and Acton, MA?
Acton 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 Acton, MA?
At 9:00 AM in Calgary, clocks in Acton show 11:00 AM.
What time is it in Acton, MA, when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 8:00 PM in Acton.
When do working hours in Calgary and in Acton, MA, 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 Acton.
When is it already the next day in Acton, MA?
From 10:00 PM in Calgary it is already the next day in Acton. The other way round, until 2:00 AM in Acton it is still the previous day in Calgary.
Does the time difference between Calgary and Acton, MA, change?
Yes. The clocks change only in Acton. From November 1, 2026, Acton will be 1 hour ahead of Calgary.
