Phuket to San Francisco: time difference
San Francisco is 13 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 20:18 8:18 PM San Francisco 07:18 7:18 AM You –:–
20:18 8:18 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:10
07:18 7:18 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
·
−13 h
San Francisco is 13 h behind Phuket.
When you, Phuket and San Francisco 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 Francisco
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Phuket | 🇨🇷 San Francisco |
|---|---|---|
| Local time | 20:18 | 07:18 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Indochina Time | Central Standard Time |
| UTC offset | UTC+7 | UTC-6 |
| Offset from Phuket | — | −13 h |
| IANA zone | Asia/Bangkok | America/Costa Rica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:14 | 05:26 |
| Sunset | 18:10 | 17:18 |
| Daylight | 11 h 56 min | 11 h 53 min |
| People on this clock | 79,308 | 55,923 |
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 Francisco: common questions
How many hours behind Phuket is San Francisco?
The clocks in San Francisco are 13 hours behind those in Phuket (UTC−6 and UTC+7).
If it is 9:00 AM in Phuket, what time is it in San Francisco?
At 9:00 AM in Phuket, clocks in San Francisco show 8:00 PM (the previous day).
What time is it in San Francisco when it is 6:00 PM in Phuket?
When it is 6:00 PM in Phuket, it is 5:00 AM in San Francisco.
Is there a time when both Phuket and San Francisco 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 8:00 PM (the previous day) in San Francisco; the day in San Francisco starts at 10:00 PM in Phuket time.
Until what time in Phuket is it still yesterday in San Francisco?
Before 1:00 PM in Phuket, the date in San Francisco has not changed yet. From 11:00 AM in San Francisco, it is already the next day in Phuket.
Does the time gap between Phuket and San Francisco change during the year?
No, the clocks change neither in Phuket nor in San Francisco, so the gap is 13 hours all year round.
