San Mateo, CA to Phuket: time difference
Phuket is 14 h ahead of San Mateo, CA. 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.
San Mateo, CA 07:57 7:57 AM Phuket 21:57 9:57 PM You –:–
07:57 7:57 AM
Pacific Daylight Time · UTC-7
☀️ 07:21 · 🌙 18:29
21:57 9:57 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:10
·
+14 h
Phuket is 14 h ahead of San Mateo, CA.
When you, San Mateo, CA and Phuket are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇺🇸 San Mateo, CA
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
🇹🇭 Phuket
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 13 1 PM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 San Mateo, CA | 🇹🇭 Phuket |
|---|---|---|
| Local time | 07:57 | 21:57 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Pacific Daylight Time | Indochina Time |
| UTC offset | UTC-7 | UTC+7 |
| Offset from San Mateo, CA | — | +14 h |
| IANA zone | America/Los Angeles | Asia/Bangkok |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:21 | 06:14 |
| Sunset | 18:29 | 18:10 |
| Daylight | 11 h 8 min | 11 h 56 min |
| People on this clock | 103,536 | 79,308 |
Compare San Mateo, CA with another city
More comparisons with San Mateo, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
San Mateo, CA and Phuket: common questions
What is the time difference between San Mateo, CA, and Phuket?
Phuket is 14 hours ahead: it uses UTC+7, while San Mateo is on UTC−7.
If it is 9:00 AM in San Mateo, CA, what time is it in Phuket?
At 9:00 AM in San Mateo, clocks in Phuket show 11:00 PM.
What time is it in Phuket when it is 6:00 PM in San Mateo, CA?
When it is 6:00 PM in San Mateo, it is 8:00 AM (the next day) in Phuket.
Is there a time when both San Mateo, CA, and Phuket are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in San Mateo at 9:00 AM, it is 11:00 PM in Phuket; the day in Phuket starts at 7:00 PM (the previous day) in San Mateo time.
From what time in San Mateo, CA, is it tomorrow in Phuket?
Once it is 10:00 AM in San Mateo, the date in Phuket has already changed. Until 2:00 PM in Phuket, it is still the previous day in San Mateo.
Does the time difference between San Mateo, CA, and Phuket change?
Yes. The clocks change only in San Mateo. From November 1, 2026, Phuket will be 15 hours ahead of San Mateo.
