San Juan to Montevideo: time difference
Montevideo is 1 h ahead of San Juan. 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.
San Juan 23:51 11:51 PM Montevideo 00:51 12:51 AM You –:–
23:51 11:51 PM
Atlantic Standard Time · UTC-4
☀️ 06:17 · 🌙 18:08
00:51 12:51 AM
Uruguay Standard Time · UTC-3
☀️ 06:10 · 🌙 18:55
·
+1 h
Montevideo is 1 h ahead of San Juan.
When you, San Juan and Montevideo are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇷 San Juan
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
🇺🇾 Montevideo
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇷 San Juan | 🇺🇾 Montevideo |
|---|---|---|
| Local time | 23:51 | 00:51 |
| Local date | Friday, October 9, 2026 | Saturday, October 10, 2026 |
| Time zone | Atlantic Standard Time | Uruguay Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from San Juan | — | +1 h |
| IANA zone | America/Puerto Rico | America/Montevideo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:17 | 06:10 |
| Sunset | 18:08 | 18:55 |
| Daylight | 11 h 50 min | 12 h 45 min |
| People on this clock | 322,854 | 1,319,108 |
Compare San Juan with another city
More comparisons with San Juan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Juan and Montevideo: common questions
How far ahead of San Juan is Montevideo?
Montevideo is 1 hour ahead of San Juan: UTC−3 against UTC−4.
If it is 9:00 AM in San Juan, what time is it in Montevideo?
At 9:00 AM in San Juan, clocks in Montevideo show 10:00 AM.
If it is 6:00 PM in San Juan, what time is it in Montevideo?
At 6:00 PM in San Juan, clocks in Montevideo show 7:00 PM.
When do working hours in San Juan and in Montevideo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in San Juan, which is 10:00 AM to 6:00 PM in Montevideo.
From what time in San Juan is it tomorrow in Montevideo?
Once it is 11:00 PM in San Juan, the date in Montevideo has already changed. Until 1:00 AM in Montevideo, it is still the previous day in San Juan.
Does the time difference between San Juan and Montevideo change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
