Phuket to San Juan: time difference
San Juan 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 12:37 12:37 PM San Juan 01:37 1:37 AM You –:–
12:37 12:37 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:14
01:37 1:37 AM
Atlantic Standard Time · UTC-4
☀️ 06:18 · 🌙 18:07
·
−11 h
San Juan is 11 h behind Phuket.
When you, Phuket and San Juan 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
🇵🇷 San Juan
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 | 🇵🇷 San Juan |
|---|---|---|
| Local time | 12:37 | 01:37 |
| 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/Puerto Rico |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:14 | 06:18 |
| Sunset | 18:14 | 18:07 |
| Daylight | 12 h | 11 h 49 min |
| People on this clock | 79,308 | 322,854 |
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 San Juan: common questions
What is the time difference between Phuket and San Juan?
San Juan is 11 hours behind: it uses UTC−4, while Phuket is on UTC+7.
What time is it in San Juan at the start of the working day in Phuket?
The working day in Phuket starts at 9:00 AM; in San Juan it is 10:00 PM (the previous day) at that moment.
What time is it in San Juan at the end of the working day in Phuket?
The working day in Phuket ends at 6:00 PM; in San Juan it is 7:00 AM at that moment.
Is there a time when both Phuket and San Juan 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 San Juan; the day in San Juan starts at 8:00 PM in Phuket time.
When does the date change in San Juan compared with Phuket?
The new day starts in San Juan later: until 11:00 AM in Phuket, it is still the previous day there. From 1:00 PM in San Juan, Phuket is already on the next day.
Does the time difference between Phuket and San Juan change?
No. Neither place uses daylight saving time, so the difference stays 11 hours all year.
