Montevideo to Rio Grande: time difference
Rio Grande 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 17:12 5:12 PM Rio Grande 16:12 4:12 PM You –:–
17:12 5:12 PM
Uruguay Standard Time · UTC-3
☀️ 06:01 · 🌙 19:01
16:12 4:12 PM
Atlantic Standard Time · UTC-4
☀️ 06:18 · 🌙 18:00
·
−1 h
Rio Grande is 1 h behind Montevideo.
When you, Montevideo and Rio Grande 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 Grande
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 Grande |
|---|---|---|
| Local time | 17:12 | 16:12 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 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/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:01 | 06:18 |
| Sunset | 19:01 | 18:00 |
| Daylight | 13 h | 11 h 42 min |
| People on this clock | 1,319,108 | 13,467 |
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 Grande: common questions
How many hours behind Montevideo is Rio Grande?
The clocks in Rio Grande are 1 hour behind those in Montevideo (UTC−4 and UTC−3).
What time is it in Rio Grande at the start of the working day in Montevideo?
The working day in Montevideo starts at 9:00 AM; in Rio Grande it is 8:00 AM at that moment.
If it is 6:00 PM in Montevideo, what time is it in Rio Grande?
At 6:00 PM in Montevideo, clocks in Rio Grande show 5:00 PM.
When is a good time to call Rio Grande from Montevideo?
Between 10:00 AM and 6:00 PM in Montevideo – that is 9:00 AM to 5:00 PM in Rio Grande – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Rio Grande compared with Montevideo?
The new day starts in Rio Grande later: until 1:00 AM in Montevideo, it is still the previous day there. From 11:00 PM in Rio Grande, Montevideo is already on the next day.
Does the time gap between Montevideo and Rio Grande change during the year?
No, the clocks change neither in Montevideo nor in Rio Grande, so the gap is 1 hour all year round.
