Montevideo to Rio Claro: time difference
Rio Claro is 1 h behind Montevideo. 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.
Montevideo 09:31 9:31 AM Rio Claro 08:31 8:31 AM You –:–
09:31 9:31 AM
Uruguay Standard Time · UTC-3
☀️ 05:59 · 🌙 19:02
08:31 8:31 AM
Atlantic Standard Time · UTC-4
☀️ 05:54 · 🌙 17:47
·
−1 h
Rio Claro is 1 h behind Montevideo.
When you, Montevideo and Rio Claro are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇾 Montevideo
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
🇹🇹 Rio Claro
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 22 10 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇾 Montevideo | 🇹🇹 Rio Claro |
|---|---|---|
| Local time | 09:31 | 08:31 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Uruguay Standard Time | Atlantic Standard Time |
| UTC offset | UTC-3 | UTC-4 |
| Offset from Montevideo | — | −1 h |
| IANA zone | America/Montevideo | America/Port of Spain |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:59 | 05:54 |
| Sunset | 19:02 | 17:47 |
| Daylight | 13 h 3 min | 11 h 53 min |
| People on this clock | 1,319,108 | 35,650 |
Compare Montevideo with another city
More comparisons with Montevideo: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Montevideo and Rio Claro: common questions
How far behind Montevideo is Rio Claro?
Rio Claro is 1 hour behind Montevideo: UTC−4 against UTC−3.
If it is 9:00 AM in Montevideo, what time is it in Rio Claro?
At 9:00 AM in Montevideo, clocks in Rio Claro show 8:00 AM.
If it is 6:00 PM in Montevideo, what time is it in Rio Claro?
At 6:00 PM in Montevideo, clocks in Rio Claro show 5:00 PM.
When do working hours in Montevideo and in Rio Claro overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Montevideo, which is 9:00 AM to 5:00 PM in Rio Claro.
When is it still the previous day in Rio Claro?
Until 1:00 AM in Montevideo it is still the previous day in Rio Claro. The other way round, from 11:00 PM in Rio Claro it is already the next day in Montevideo.
Is the time difference between Montevideo and Rio Claro the same all year?
Yes. Neither Montevideo nor Rio Claro switches to summer time, so the gap is always 1 hour.
