Las Piedras to Montevideo: time difference
Montevideo is 1 h ahead of Las Piedras. 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.
Las Piedras 17:45 5:45 PM Montevideo 18:45 6:45 PM You –:–
17:45 5:45 PM
Atlantic Standard Time · UTC-4
☀️ 06:18 · 🌙 18:01
18:45 6:45 PM
Uruguay Standard Time · UTC-3
☀️ 06:01 · 🌙 19:01
·
+1 h
Montevideo is 1 h ahead of Las Piedras.
When you, Las Piedras 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
🇵🇷 Las Piedras
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
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Time zones side by side
| Detail | 🇵🇷 Las Piedras | 🇺🇾 Montevideo |
|---|---|---|
| Local time | 17:45 | 18:45 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Atlantic Standard Time | Uruguay Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Las Piedras | — | +1 h |
| IANA zone | America/Puerto Rico | America/Montevideo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:18 | 06:01 |
| Sunset | 18:01 | 19:01 |
| Daylight | 11 h 43 min | 13 h |
| People on this clock | 38,000 | 1,319,108 |
Compare Las Piedras with another city
More comparisons with Las Piedras: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Las Piedras and Montevideo: common questions
How many hours ahead of Las Piedras is Montevideo?
The clocks in Montevideo are 1 hour ahead of those in Las Piedras (UTC−3 and UTC−4).
What time is it in Montevideo when it is 9:00 AM in Las Piedras?
When it is 9:00 AM in Las Piedras, it is 10:00 AM in Montevideo.
What time is it in Montevideo when it is 6:00 PM in Las Piedras?
When it is 6:00 PM in Las Piedras, it is 7:00 PM in Montevideo.
When do working hours in Las Piedras and in Montevideo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Las Piedras, which is 10:00 AM to 6:00 PM in Montevideo.
When does the date change in Montevideo compared with Las Piedras?
The new day starts in Montevideo earlier: at 11:00 PM in Las Piedras it is already midnight there. Until 1:00 AM in Montevideo, Las Piedras is still on the previous day.
Is the time difference between Las Piedras and Montevideo the same all year?
Yes. Neither Las Piedras nor Montevideo switches to summer time, so the gap is always 1 hour.
