Phuket to Portsmouth: time difference
Portsmouth 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 20:51 8:51 PM Portsmouth 09:51 9:51 AM You –:–
20:51 8:51 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:14
09:51 9:51 AM
Atlantic Standard Time · UTC-4
☀️ 05:57 · 🌙 17:50
·
−11 h
Portsmouth is 11 h behind Phuket.
When you, Phuket and Portsmouth 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
🇩🇲 Portsmouth
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 | 🇩🇲 Portsmouth |
|---|---|---|
| Local time | 20:51 | 09:51 |
| 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/Dominica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:14 | 05:57 |
| Sunset | 18:14 | 17:50 |
| Daylight | 12 h | 11 h 52 min |
| People on this clock | 79,308 | 3,633 |
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 Portsmouth: common questions
How many hours behind Phuket is Portsmouth?
The clocks in Portsmouth are 11 hours behind those in Phuket (UTC−4 and UTC+7).
What time is it in Portsmouth at the start of the working day in Phuket?
The working day in Phuket starts at 9:00 AM; in Portsmouth it is 10:00 PM (the previous day) at that moment.
What time is it in Portsmouth at the end of the working day in Phuket?
The working day in Phuket ends at 6:00 PM; in Portsmouth it is 7:00 AM at that moment.
When is a good time to call Portsmouth from Phuket?
Working hours (9:00 AM–6:00 PM) in Phuket and in Portsmouth do not overlap. At 9:00 AM in Phuket it is 10:00 PM (the previous day) in Portsmouth; when the working day starts in Portsmouth, it is 8:00 PM in Phuket.
Until what time in Phuket is it still yesterday in Portsmouth?
Before 11:00 AM in Phuket, the date in Portsmouth has not changed yet. From 1:00 PM in Portsmouth, it is already the next day in Phuket.
Does the time difference between Phuket and Portsmouth change?
No. Neither place uses daylight saving time, so the difference stays 11 hours all year.
