Waterbury, CT to Calgary: time difference
Calgary is 2 h behind Waterbury, CT. 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.
Waterbury, CT 23:23 11:23 PM Calgary 21:23 9:23 PM You –:–
23:23 11:23 PM
Eastern Daylight Time · UTC-4
☀️ 07:08 · 🌙 18:08
21:23 9:23 PM
Mountain Daylight Time · UTC-6
☀️ 08:05 · 🌙 18:39
·
−2 h
Calgary is 2 h behind Waterbury, CT.
When you, Waterbury, CT 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
🇺🇸 Waterbury, CT
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 | 🇺🇸 Waterbury, CT | 🇨🇦 Calgary |
|---|---|---|
| Local time | 23:23 | 21:23 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Waterbury, CT | — | −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 | 07:08 | 08:05 |
| Sunset | 18:08 | 18:39 |
| Daylight | 11 h | 10 h 34 min |
| People on this clock | 110,366 | 1,267,344 |
Compare Waterbury, CT with another city
More comparisons with Waterbury, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Waterbury, CT and Calgary: common questions
How far behind Waterbury, CT, is Calgary?
Calgary is 2 hours behind Waterbury: UTC−6 against UTC−4.
What time is it in Calgary at the start of the working day in Waterbury, CT?
The working day in Waterbury starts at 9:00 AM; in Calgary it is 7:00 AM at that moment.
If it is 6:00 PM in Waterbury, CT, what time is it in Calgary?
At 6:00 PM in Waterbury, clocks in Calgary show 4:00 PM.
When is a good time to call Calgary from Waterbury, CT?
Between 11:00 AM and 6:00 PM in Waterbury – 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 Waterbury, CT, is it still yesterday in Calgary?
Before 2:00 AM in Waterbury, the date in Calgary has not changed yet. From 10:00 PM in Calgary, it is already the next day in Waterbury.
Does the time gap between Waterbury, CT, and Calgary change during the year?
Yes – daylight saving time is used in Waterbury but not in Calgary. From November 1, 2026, Calgary will be 1 hour behind Waterbury.
