Montevideo to St Thomas: time difference
St Thomas 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 14:21 2:21 PM St Thomas 13:21 1:21 PM You –:–
14:21 2:21 PM
Uruguay Standard Time · UTC-3
☀️ 06:01 · 🌙 19:01
13:21 1:21 PM
Atlantic Standard Time · UTC-4
☀️ 06:15 · 🌙 17:57
·
−1 h
St Thomas is 1 h behind Montevideo.
When you, Montevideo and St Thomas 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
🇻🇮 St Thomas
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 | 🇻🇮 St Thomas |
|---|---|---|
| Local time | 14:21 | 13:21 |
| 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/St Thomas |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:01 | 06:15 |
| Sunset | 19:01 | 17:57 |
| Daylight | 13 h | 11 h 42 min |
| People on this clock | 1,319,108 | 20,000 |
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 St Thomas: common questions
How many hours behind Montevideo is St Thomas?
The clocks in St Thomas are 1 hour behind those in Montevideo (UTC−4 and UTC−3).
If it is 9:00 AM in Montevideo, what time is it in St Thomas?
At 9:00 AM in Montevideo, clocks in St Thomas show 8:00 AM.
If it is 6:00 PM in Montevideo, what time is it in St Thomas?
At 6:00 PM in Montevideo, clocks in St Thomas show 5:00 PM.
When do working hours in Montevideo and in St Thomas 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 St Thomas.
Until what time in Montevideo is it still yesterday in St Thomas?
Before 1:00 AM in Montevideo, the date in St Thomas has not changed yet. From 11:00 PM in St Thomas, it is already the next day in Montevideo.
Is the time difference between Montevideo and St Thomas the same all year?
Yes. Neither Montevideo nor St Thomas switches to summer time, so the gap is always 1 hour.
