Reykjavik to Colonia: time difference
Colonia is 3 h behind Reykjavik. 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.
Reykjavik 00:51 12:51 AM Colonia 21:51 9:51 PM You –:–
00:51 12:51 AM
Greenwich Mean Time · UTC+0
☀️ 08:27 · 🌙 18:00
21:51 9:51 PM
Uruguay Standard Time · UTC-3
☀️ 06:06 · 🌙 19:08
·
−3 h
Colonia is 3 h behind Reykjavik.
When you, Reykjavik and Colonia are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇮🇸 Reykjavik
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
🇺🇾 Colonia
21 9 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇮🇸 Reykjavik | 🇺🇾 Colonia |
|---|---|---|
| Local time | 00:51 | 21:51 |
| Local date | Monday, October 19, 2026 | Sunday, October 18, 2026 |
| Time zone | Greenwich Mean Time | Uruguay Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Reykjavik | — | −3 h |
| IANA zone | Atlantic/Reykjavik | America/Montevideo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 08:27 | 06:06 |
| Sunset | 18:00 | 19:08 |
| Daylight | 9 h 33 min | 13 h 2 min |
| People on this clock | 136,894 | 26,231 |
Compare Reykjavik with another city
More comparisons with Reykjavik: the time zones next to it and the far side of the clock.
Big time differences
Reykjavik and Colonia: common questions
What is the time difference between Reykjavik and Colonia?
Colonia is 3 hours behind: it uses UTC−3, while Reykjavik is on UTC+0.
If it is 9:00 AM in Reykjavik, what time is it in Colonia?
At 9:00 AM in Reykjavik, clocks in Colonia show 6:00 AM.
What time is it in Colonia at the end of the working day in Reykjavik?
The working day in Reykjavik ends at 6:00 PM; in Colonia it is 3:00 PM at that moment.
When do working hours in Reykjavik and in Colonia overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Reykjavik, which is 9:00 AM to 3:00 PM in Colonia.
Until what time in Reykjavik is it still yesterday in Colonia?
Before 3:00 AM in Reykjavik, the date in Colonia has not changed yet. From 9:00 PM in Colonia, it is already the next day in Reykjavik.
Is the time difference between Reykjavik and Colonia the same all year?
Yes. Neither Reykjavik nor Colonia switches to summer time, so the gap is always 3 hours.
