Warren, PA to Calgary: time difference
Calgary is 2 h behind Warren, PA. 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.
Warren, PA 10:17 10:17 AM Calgary 08:17 8:17 AM You –:–
10:17 10:17 AM
Eastern Daylight Time · UTC-4
☀️ 07:26 · 🌙 18:41
08:17 8:17 AM
Mountain Daylight Time · UTC-6
☀️ 07:55 · 🌙 18:51
·
−2 h
Calgary is 2 h behind Warren, PA.
When you, Warren, PA 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
🇺🇸 Warren, PA
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Warren, PA | 🇨🇦 Calgary |
|---|---|---|
| Local time | 10:17 | 08:17 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Warren, PA | — | −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 | 07:26 | 07:55 |
| Sunset | 18:41 | 18:51 |
| Daylight | 11 h 16 min | 10 h 56 min |
| People on this clock | 134,188 | 1,267,344 |
Compare Warren, PA with another city
More comparisons with Warren, PA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Warren, PA and Calgary: common questions
What is the time difference between Warren, PA, and Calgary?
Calgary is 2 hours behind: it uses UTC−6, while Warren is on UTC−4.
What time is it in Calgary when it is 9:00 AM in Warren, PA?
When it is 9:00 AM in Warren, it is 7:00 AM in Calgary.
What time is it in Calgary when it is 6:00 PM in Warren, PA?
When it is 6:00 PM in Warren, it is 4:00 PM in Calgary.
When is a good time to call Calgary from Warren, PA?
Between 11:00 AM and 6:00 PM in Warren – that is 9:00 AM to 4:00 PM in Calgary – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Warren, PA, is it still yesterday in Calgary?
Before 2:00 AM in Warren, the date in Calgary has not changed yet. From 10:00 PM in Calgary, it is already the next day in Warren.
Is the time difference between Warren, PA, and Calgary the same all year?
No. Only Warren switches to summer time, so the gap changes twice a year. From November 1, 2026, Calgary will be 1 hour behind Warren.
