Mason, OH to Calgary: time difference
Calgary is 2 h behind Mason, OH. 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.
Mason, OH 10:00 10:00 AM Calgary 08:00 8:00 AM You –:–
10:00 10:00 AM
Eastern Daylight Time · UTC-4
☀️ 07:52 · 🌙 18:54
08:00 8:00 AM
Mountain Daylight Time · UTC-6
☀️ 08:07 · 🌙 18:37
·
−2 h
Calgary is 2 h behind Mason, OH.
When you, Mason, OH 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
🇺🇸 Mason, OH
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 | 🇺🇸 Mason, OH | 🇨🇦 Calgary |
|---|---|---|
| Local time | 10:00 | 08:00 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Mason, OH | — | −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 | 07:52 | 08:07 |
| Sunset | 18:54 | 18:37 |
| Daylight | 11 h 2 min | 10 h 30 min |
| People on this clock | 35,000 | 1,267,344 |
Compare Mason, OH with another city
More comparisons with Mason, OH: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Mason, OH and Calgary: common questions
What is the time difference between Mason, OH, and Calgary?
Calgary is 2 hours behind: it uses UTC−6, while Mason is on UTC−4.
If it is 9:00 AM in Mason, OH, what time is it in Calgary?
At 9:00 AM in Mason, clocks in Calgary show 7:00 AM.
What time is it in Calgary at the end of the working day in Mason, OH?
The working day in Mason ends at 6:00 PM; in Calgary it is 4:00 PM at that moment.
When do working hours in Mason, OH, and in Calgary overlap?
Working hours (9:00 AM–6:00 PM) overlap from 11:00 AM to 6:00 PM in Mason, which is 9:00 AM to 4:00 PM in Calgary.
When does the date change in Calgary compared with Mason, OH?
The new day starts in Calgary later: until 2:00 AM in Mason, it is still the previous day there. From 10:00 PM in Calgary, Mason is already on the next day.
Does the time difference between Mason, OH, and Calgary change?
Yes. The clocks change only in Mason. From November 1, 2026, Calgary will be 1 hour behind Mason.
