Hartford, CT to Calgary: time difference
Calgary is 2 h behind Hartford, 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.
Hartford, CT 16:24 4:24 PM Calgary 14:24 2:24 PM You –:–
16:24 4:24 PM
Eastern Daylight Time · UTC-4
☀️ 07:09 · 🌙 18:03
14:24 2:24 PM
Mountain Daylight Time · UTC-6
☀️ 08:09 · 🌙 18:35
·
−2 h
Calgary is 2 h behind Hartford, CT.
When you, Hartford, 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
🇺🇸 Hartford, 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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Hartford, CT | 🇨🇦 Calgary |
|---|---|---|
| Local time | 16:24 | 14:24 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Eastern Daylight Time | Mountain Daylight Time |
| UTC offset | UTC-4 | UTC-6 |
| Offset from Hartford, 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 | 07:09 | 08:09 |
| Sunset | 18:03 | 18:35 |
| Daylight | 10 h 54 min | 10 h 26 min |
| People on this clock | 122,366 | 1,267,344 |
Compare Hartford, CT with another city
More comparisons with Hartford, CT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Hartford, CT and Calgary: common questions
What is the time difference between Hartford, CT, and Calgary?
Calgary is 2 hours behind: it uses UTC−6, while Hartford is on UTC−4.
If it is 9:00 AM in Hartford, CT, what time is it in Calgary?
At 9:00 AM in Hartford, clocks in Calgary show 7:00 AM.
What time is it in Calgary at the end of the working day in Hartford, CT?
The working day in Hartford ends at 6:00 PM; in Calgary it is 4:00 PM at that moment.
Is there a time when both Hartford, CT, and Calgary are at work?
Yes: from 11:00 AM to 6:00 PM in Hartford (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 Hartford, CT?
The new day starts in Calgary later: until 2:00 AM in Hartford, it is still the previous day there. From 10:00 PM in Calgary, Hartford is already on the next day.
Does the time difference between Hartford, CT, and Calgary change?
Yes. The clocks change only in Hartford. From November 1, 2026, Calgary will be 1 hour behind Hartford.
