Dartmouth to Reykjavik: time difference
Reykjavik is 3 h ahead of Dartmouth. 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.
Dartmouth 18:21 6:21 PM Reykjavik 21:21 9:21 PM You –:–
18:21 6:21 PM
Atlantic Daylight Time · UTC-3
☀️ 07:29 · 🌙 18:33
21:21 9:21 PM
Greenwich Mean Time · UTC+0
☀️ 08:15 · 🌙 18:14
·
+3 h
Reykjavik is 3 h ahead of Dartmouth.
When you, Dartmouth and Reykjavik are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Dartmouth
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
🇮🇸 Reykjavik
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 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇨🇦 Dartmouth | 🇮🇸 Reykjavik |
|---|---|---|
| Local time | 18:21 | 21:21 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Atlantic Daylight Time | Greenwich Mean Time |
| UTC offset | UTC-3 | UTC+0 |
| Offset from Dartmouth | — | +3 h |
| IANA zone | America/Halifax | Atlantic/Reykjavik |
| Daylight saving | On summer time → UTC-4, Nov 1, 01:00 | Not observed |
| Sunrise | 07:29 | 08:15 |
| Sunset | 18:33 | 18:14 |
| Daylight | 11 h 4 min | 9 h 59 min |
| People on this clock | 70,000 | 136,894 |
Compare Dartmouth with another city
More comparisons with Dartmouth: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Dartmouth and Reykjavik: common questions
What is the time difference between Dartmouth and Reykjavik?
Reykjavik is 3 hours ahead: it uses UTC+0, while Dartmouth is on UTC−3.
If it is 9:00 AM in Dartmouth, what time is it in Reykjavik?
At 9:00 AM in Dartmouth, clocks in Reykjavik show 12:00 PM.
What time is it in Reykjavik when it is 6:00 PM in Dartmouth?
When it is 6:00 PM in Dartmouth, it is 9:00 PM in Reykjavik.
When is a good time to call Reykjavik from Dartmouth?
Between 9:00 AM and 3:00 PM in Dartmouth – that is 12:00 PM to 6:00 PM in Reykjavik – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Reykjavik compared with Dartmouth?
The new day starts in Reykjavik earlier: at 9:00 PM in Dartmouth it is already midnight there. Until 3:00 AM in Reykjavik, Dartmouth is still on the previous day.
Is the time difference between Dartmouth and Reykjavik the same all year?
No. Only Dartmouth switches to summer time, so the gap changes twice a year. From November 1, 2026, Reykjavik will be 4 hours ahead of Dartmouth.
