Calgary to Reading, PA: time difference
Reading, PA 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 21:08 9:08 PM Reading, PA 23:08 11:08 PM You –:–
21:08 9:08 PM
Mountain Daylight Time · UTC-6
☀️ 07:54 · 🌙 18:54
23:08 11:08 PM
Eastern Daylight Time · UTC-4
☀️ 07:11 · 🌙 18:31
·
+2 h
Reading, PA is 2 h ahead of Calgary.
When you, Calgary and Reading, PA 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
🇺🇸 Reading, PA
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 | 🇺🇸 Reading, PA |
|---|---|---|
| Local time | 21:08 | 23:08 |
| Local date | Sunday, October 11, 2026 | Sunday, October 11, 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 | 07:54 | 07:11 |
| Sunset | 18:54 | 18:31 |
| Daylight | 11 h | 11 h 21 min |
| People on this clock | 1,267,344 | 88,082 |
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 Reading, PA: common questions
What is the time difference between Calgary and Reading, PA?
Reading is 2 hours ahead: it uses UTC−4, while Calgary is on UTC−6.
What time is it in Reading, PA, when it is 9:00 AM in Calgary?
When it is 9:00 AM in Calgary, it is 11:00 AM in Reading.
If it is 6:00 PM in Calgary, what time is it in Reading, PA?
At 6:00 PM in Calgary, clocks in Reading show 8:00 PM.
Is there a time when both Calgary and Reading, PA, are at work?
Yes: from 9:00 AM to 4:00 PM in Calgary (11:00 AM to 6:00 PM in Reading), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Reading, PA?
From 10:00 PM in Calgary it is already the next day in Reading. The other way round, until 2:00 AM in Reading it is still the previous day in Calgary.
Does the time difference between Calgary and Reading, PA, change?
Yes. The clocks change only in Reading. From November 1, 2026, Reading will be 1 hour ahead of Calgary.
