New Castle, DE to Calgary: time difference
Calgary is 2 h behind New Castle, DE. 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.
New Castle, DE 20:35 8:35 PM Calgary 18:35 6:35 PM You –:–
20:35 8:35 PM
Eastern Daylight Time · UTC-4
☀️ 07:19 · 🌙 18:16
18:35 6:35 PM
Mountain Daylight Time · UTC-6
☀️ 08:10 · 🌙 18:33
·
−2 h
Calgary is 2 h behind New Castle, DE.
When you, New Castle, DE 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
🇺🇸 New Castle, DE
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 | 🇺🇸 New Castle, DE | 🇨🇦 Calgary |
|---|---|---|
| Local time | 20:35 | 18:35 |
| Local date | Wednesday, October 21, 2026 | Wednesday, October 21, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from New Castle, DE | — | −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 | 07:19 | 08:10 |
| Sunset | 18:16 | 18:33 |
| Daylight | 10 h 57 min | 10 h 22 min |
| People on this clock | 21,926 | 1,267,344 |
Compare New Castle, DE with another city
More comparisons with New Castle, DE: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
New Castle, DE and Calgary: common questions
How many hours behind New Castle, DE, is Calgary?
The clocks in Calgary are 2 hours behind those in New Castle (UTC−6 and UTC−4).
What time is it in Calgary when it is 9:00 AM in New Castle, DE?
When it is 9:00 AM in New Castle, it is 7:00 AM in Calgary.
What time is it in Calgary at the end of the working day in New Castle, DE?
The working day in New Castle ends at 6:00 PM; in Calgary it is 4:00 PM at that moment.
Is there a time when both New Castle, DE, and Calgary are at work?
Yes: from 11:00 AM to 6:00 PM in New Castle (9:00 AM to 4:00 PM in Calgary), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Calgary compared with New Castle, DE?
The new day starts in Calgary later: until 2:00 AM in New Castle, it is still the previous day there. From 10:00 PM in Calgary, New Castle is already on the next day.
Does the time difference between New Castle, DE, and Calgary change?
Yes. The clocks change only in New Castle. From November 1, 2026, Calgary will be 1 hour behind New Castle.
