Seattle, WA to Calgary: time difference
Calgary is 1 h ahead of Seattle, WA. 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.
Seattle, WA 20:40 8:40 PM Calgary 21:40 9:40 PM You –:–
20:40 8:40 PM
Pacific Daylight Time · UTC-7
☀️ 07:20 · 🌙 18:34
21:40 9:40 PM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
·
+1 h
Calgary is 1 h ahead of Seattle, WA.
When you, Seattle, WA 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
🇺🇸 Seattle, WA
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Seattle, WA | 🇨🇦 Calgary |
|---|---|---|
| Local time | 20:40 | 21:40 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Pacific Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-7 | UTC-6 |
| Offset from Seattle, WA | — | +1 h |
| IANA zone | America/Los Angeles | America/Edmonton |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 07:20 | 07:50 |
| Sunset | 18:34 | 18:58 |
| Daylight | 11 h 14 min | 11 h 8 min |
| People on this clock | 737,015 | 1,267,344 |
Compare Seattle, WA with another city
More comparisons with Seattle, WA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seattle, WA and Calgary: common questions
How many hours ahead of Seattle, WA, is Calgary?
The clocks in Calgary are 1 hour ahead of those in Seattle (UTC−6 and UTC−7).
If it is 9:00 AM in Seattle, WA, what time is it in Calgary?
At 9:00 AM in Seattle, clocks in Calgary show 10:00 AM.
What time is it in Calgary at the end of the working day in Seattle, WA?
The working day in Seattle ends at 6:00 PM; in Calgary it is 7:00 PM at that moment.
When do working hours in Seattle, WA, and in Calgary overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Seattle, which is 10:00 AM to 6:00 PM in Calgary.
When is it already the next day in Calgary?
From 11:00 PM in Seattle, WA, it is already the next day in Calgary. The other way round, until 1:00 AM in Calgary it is still the previous day in Seattle.
Is the time difference between Seattle, WA, and Calgary the same all year?
No. Only Seattle switches to summer time, so the gap changes twice a year. From November 1, 2026, Calgary will be 2 hours ahead of Seattle.
