Phuket to Old Harbour: time difference
Old Harbour is 12 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 04:47 4:47 AM Old Harbour 16:47 4:47 PM You –:–
04:47 4:47 AM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:10
16:47 4:47 PM
Eastern Standard Time · UTC-5
☀️ 06:03 · 🌙 17:45
·
−12 h
Old Harbour is 12 h behind Phuket.
When you, Phuket and Old Harbour 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
🇯🇲 Old Harbour
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Phuket | 🇯🇲 Old Harbour |
|---|---|---|
| Local time | 04:47 | 16:47 |
| Local date | Monday, October 19, 2026 | Sunday, October 18, 2026 |
| Time zone | Indochina Time | Eastern Standard Time |
| UTC offset | UTC+7 | UTC-5 |
| Offset from Phuket | — | −12 h |
| IANA zone | Asia/Bangkok | America/Jamaica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:14 | 06:03 |
| Sunset | 18:10 | 17:45 |
| Daylight | 11 h 56 min | 11 h 42 min |
| People on this clock | 79,308 | 26,024 |
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 Old Harbour: common questions
What is the time difference between Phuket and Old Harbour?
Old Harbour is 12 hours behind: it uses UTC−5, while Phuket is on UTC+7.
If it is 9:00 AM in Phuket, what time is it in Old Harbour?
At 9:00 AM in Phuket, clocks in Old Harbour show 9:00 PM (the previous day).
If it is 6:00 PM in Phuket, what time is it in Old Harbour?
At 6:00 PM in Phuket, clocks in Old Harbour show 6:00 AM.
When is a good time to call Old Harbour from Phuket?
Working hours (9:00 AM–6:00 PM) in Phuket and in Old Harbour do not overlap. At 9:00 AM in Phuket it is 9:00 PM (the previous day) in Old Harbour; when the working day starts in Old Harbour, it is 9:00 PM in Phuket.
Until what time in Phuket is it still yesterday in Old Harbour?
Before 12:00 PM in Phuket, the date in Old Harbour has not changed yet. From 12:00 PM in Old Harbour, it is already the next day in Phuket.
Does the time difference between Phuket and Old Harbour change?
No. Neither place uses daylight saving time, so the difference stays 12 hours all year.