Reykjavik to Treinta y Tres: time difference
Treinta y Tres is 3 h behind Reykjavik. Live clocks for both, the working hours they share, and how each one sits against your own time.
−3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Reykjavik 23:33 11:33 PM Treinta y Tres 20:33 8:33 PM You –:–
23:33 11:33 PM
Greenwich Mean Time · UTC+0
☀️ 08:33 · 🌙 17:53
20:33 8:33 PM
Uruguay Standard Time · UTC-3
☀️ 05:51 · 🌙 18:55
·
−3 h
Treinta y Tres is 3 h behind Reykjavik.
When you, Reykjavik and Treinta y Tres 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
🇺🇾 Treinta y Tres
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 | 🇺🇾 Treinta y Tres |
|---|---|---|
| Local time | 23:33 | 20:33 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 08:33 | 05:51 |
| Sunset | 17:53 | 18:55 |
| Daylight | 9 h 20 min | 13 h 3 min |
| People on this clock | 136,894 | 32,259 |
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 Treinta y Tres: common questions
How far behind Reykjavik is Treinta y Tres?
Treinta y Tres is 3 hours behind Reykjavik: UTC−3 against UTC+0.
What time is it in Treinta y Tres at the start of the working day in Reykjavik?
The working day in Reykjavik starts at 9:00 AM; in Treinta y Tres it is 6:00 AM at that moment.
What time is it in Treinta y Tres when it is 6:00 PM in Reykjavik?
When it is 6:00 PM in Reykjavik, it is 3:00 PM in Treinta y Tres.
When is a good time to call Treinta y Tres from Reykjavik?
Between 12:00 PM and 6:00 PM in Reykjavik – that is 9:00 AM to 3:00 PM in Treinta y Tres – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Treinta y Tres compared with Reykjavik?
The new day starts in Treinta y Tres later: until 3:00 AM in Reykjavik, it is still the previous day there. From 9:00 PM in Treinta y Tres, Reykjavik is already on the next day.
Does the time difference between Reykjavik and Treinta y Tres change?
No. Neither place uses daylight saving time, so the difference stays 3 hours all year.
