Phuket to Castries: time difference
Castries is 11 h behind Phuket. 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.
Phuket 19:05 7:05 PM Castries 08:05 8:05 AM You –:–
19:05 7:05 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:14
08:05 8:05 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
·
−11 h
Castries is 11 h behind Phuket.
When you, Phuket 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
🇹🇭 Phuket
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Phuket | 🇱🇨 Castries |
|---|---|---|
| Local time | 19:05 | 08:05 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Indochina Time | Atlantic Standard Time |
| UTC offset | UTC+7 | UTC-4 |
| Offset from Phuket | — | −11 h |
| IANA zone | Asia/Bangkok | America/St Lucia |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:14 | 05:55 |
| Sunset | 18:14 | 17:48 |
| Daylight | 12 h | 11 h 54 min |
| People on this clock | 79,308 | 22,000 |
Compare Phuket with another city
More comparisons with Phuket: the time zones next to it and the far side of the clock.
Big time differences
Phuket and Castries: common questions
How far behind Phuket is Castries?
Castries is 11 hours behind Phuket: UTC−4 against UTC+7.
If it is 9:00 AM in Phuket, what time is it in Castries?
At 9:00 AM in Phuket, clocks in Castries show 10:00 PM (the previous day).
What time is it in Castries at the end of the working day in Phuket?
The working day in Phuket ends at 6:00 PM; in Castries it is 7:00 AM at that moment.
When do working hours in Phuket and in Castries overlap?
They don't: there are no shared working hours. The start of the day in Phuket (9:00 AM) is 10:00 PM (the previous day) in Castries, and the start of the day in Castries is 8:00 PM in Phuket.
When does the date change in Castries compared with Phuket?
The new day starts in Castries later: until 11:00 AM in Phuket, it is still the previous day there. From 1:00 PM in Castries, Phuket is already on the next day.
Does the time difference between Phuket and Castries change?
No. Neither place uses daylight saving time, so the difference stays 11 hours all year.
