Montevideo to Castries: time difference
Castries 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 01:55 1:55 AM Castries 00:55 12:55 AM You –:–
01:55 1:55 AM
Uruguay Standard Time · UTC-3
☀️ 06:10 · 🌙 18:55
00:55 12:55 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
·
−1 h
Castries is 1 h behind Montevideo.
When you, Montevideo and Castries 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
🇱🇨 Castries
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 | 🇱🇨 Castries |
|---|---|---|
| Local time | 01:55 | 00:55 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 Lucia |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:10 | 05:55 |
| Sunset | 18:55 | 17:48 |
| Daylight | 12 h 45 min | 11 h 54 min |
| People on this clock | 1,319,108 | 22,000 |
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 Castries: common questions
What is the time difference between Montevideo and Castries?
Castries is 1 hour behind: it uses UTC−4, while Montevideo is on UTC−3.
If it is 9:00 AM in Montevideo, what time is it in Castries?
At 9:00 AM in Montevideo, clocks in Castries show 8:00 AM.
What time is it in Castries at the end of the working day in Montevideo?
The working day in Montevideo ends at 6:00 PM; in Castries it is 5:00 PM at that moment.
When is a good time to call Castries from Montevideo?
Between 10:00 AM and 6:00 PM in Montevideo – that is 9:00 AM to 5:00 PM in Castries – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Montevideo is it still yesterday in Castries?
Before 1:00 AM in Montevideo, the date in Castries has not changed yet. From 11:00 PM in Castries, it is already the next day in Montevideo.
Is the time difference between Montevideo and Castries the same all year?
Yes. Neither Montevideo nor Castries switches to summer time, so the gap is always 1 hour.
