Phuket to St Lucia: time difference
St Lucia 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 15:24 3:24 PM St Lucia 04:24 4:24 AM You –:–
15:24 3:24 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:14
04:24 4:24 AM
Atlantic Standard Time · UTC-4
☀️ 05:55 · 🌙 17:48
·
−11 h
St Lucia is 11 h behind Phuket.
When you, Phuket and St Lucia 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
🇱🇨 St Lucia
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 | 🇱🇨 St Lucia |
|---|---|---|
| Local time | 15:24 | 04:24 |
| 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 | 1,355 |
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 St Lucia: common questions
What is the time difference between Phuket and St Lucia?
St Lucia is 11 hours behind: it uses UTC−4, while Phuket is on UTC+7.
What time is it in St Lucia at the start of the working day in Phuket?
The working day in Phuket starts at 9:00 AM; in St Lucia it is 10:00 PM (the previous day) at that moment.
What time is it in St Lucia at the end of the working day in Phuket?
The working day in Phuket ends at 6:00 PM; in St Lucia it is 7:00 AM at that moment.
Is there a time when both Phuket and St Lucia are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Phuket at 9:00 AM, it is 10:00 PM (the previous day) in St Lucia; the day in St Lucia starts at 8:00 PM in Phuket time.
When is it still the previous day in St Lucia?
Until 11:00 AM in Phuket it is still the previous day in St Lucia. The other way round, from 1:00 PM in St Lucia it is already the next day in Phuket.
Does the time gap between Phuket and St Lucia change during the year?
No, the clocks change neither in Phuket nor in St Lucia, so the gap is 11 hours all year round.
