Castries to Montevideo: time difference
Montevideo is 1 h ahead of Castries. 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.
Castries 00:06 12:06 AM Montevideo 01:06 1:06 AM You –:–
00:06 12:06 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
01:06 1:06 AM
Uruguay Standard Time · UTC-3
☀️ 06:10 · 🌙 18:55
·
+1 h
Montevideo is 1 h ahead of Castries.
When you, Castries 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
🇱🇨 Castries
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 | 🇱🇨 Castries | 🇺🇾 Montevideo |
|---|---|---|
| Local time | 00:06 | 01:06 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Atlantic Standard Time | Uruguay Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Castries | — | +1 h |
| IANA zone | America/St Lucia | America/Montevideo |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:55 | 06:10 |
| Sunset | 17:48 | 18:55 |
| Daylight | 11 h 54 min | 12 h 45 min |
| People on this clock | 22,000 | 1,319,108 |
Compare Castries with another city
More comparisons with Castries: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castries and Montevideo: common questions
How many hours ahead of Castries is Montevideo?
The clocks in Montevideo are 1 hour ahead of those in Castries (UTC−3 and UTC−4).
If it is 9:00 AM in Castries, what time is it in Montevideo?
At 9:00 AM in Castries, clocks in Montevideo show 10:00 AM.
What time is it in Montevideo at the end of the working day in Castries?
The working day in Castries ends at 6:00 PM; in Montevideo it is 7:00 PM at that moment.
When do working hours in Castries and in Montevideo overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Castries, which is 10:00 AM to 6:00 PM in Montevideo.
When is it already the next day in Montevideo?
From 11:00 PM in Castries it is already the next day in Montevideo. The other way round, until 1:00 AM in Montevideo it is still the previous day in Castries.
Is the time difference between Castries and Montevideo the same all year?
Yes. Neither Castries nor Montevideo switches to summer time, so the gap is always 1 hour.
