Montevideo to Las Piedras: time difference
Las Piedras 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 03:01 3:01 AM Las Piedras 02:01 2:01 AM You –:–
03:01 3:01 AM
Uruguay Standard Time · UTC-3
☀️ 05:59 · 🌙 19:02
02:01 2:01 AM
Atlantic Standard Time · UTC-4
☀️ 06:18 · 🌙 18:00
·
−1 h
Las Piedras is 1 h behind Montevideo.
When you, Montevideo and Las Piedras 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
🇵🇷 Las Piedras
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 | 🇵🇷 Las Piedras |
|---|---|---|
| Local time | 03:01 | 02:01 |
| 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/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:59 | 06:18 |
| Sunset | 19:02 | 18:00 |
| Daylight | 13 h 3 min | 11 h 42 min |
| People on this clock | 1,319,108 | 38,000 |
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 Las Piedras: common questions
How far behind Montevideo is Las Piedras?
Las Piedras is 1 hour behind Montevideo: UTC−4 against UTC−3.
If it is 9:00 AM in Montevideo, what time is it in Las Piedras?
At 9:00 AM in Montevideo, clocks in Las Piedras show 8:00 AM.
If it is 6:00 PM in Montevideo, what time is it in Las Piedras?
At 6:00 PM in Montevideo, clocks in Las Piedras show 5:00 PM.
Is there a time when both Montevideo and Las Piedras are at work?
Yes: from 10:00 AM to 6:00 PM in Montevideo (9:00 AM to 5:00 PM in Las Piedras), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Montevideo is it still yesterday in Las Piedras?
Before 1:00 AM in Montevideo, the date in Las Piedras has not changed yet. From 11:00 PM in Las Piedras, it is already the next day in Montevideo.
Is the time difference between Montevideo and Las Piedras the same all year?
Yes. Neither Montevideo nor Las Piedras switches to summer time, so the gap is always 1 hour.
