Castro Valley, CA to Phuket: time difference
Phuket is 14 h ahead of Castro Valley, 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.
Castro Valley, CA 04:39 4:39 AM Phuket 18:39 6:39 PM You –:–
04:39 4:39 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:23
18:39 6:39 PM
Indochina Time · UTC+7
☀️ 06:14 · 🌙 18:09
·
+14 h
Phuket is 14 h ahead of Castro Valley, CA.
When you, Castro Valley, 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
🇺🇸 Castro Valley, 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 | 🇺🇸 Castro Valley, CA | 🇹🇭 Phuket |
|---|---|---|
| Local time | 04:39 | 18:39 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Pacific Daylight Time | Indochina Time |
| UTC offset | UTC-7 | UTC+7 |
| Offset from Castro Valley, CA | — | +14 h |
| IANA zone | America/Los Angeles | Asia/Bangkok |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:24 | 06:14 |
| Sunset | 18:23 | 18:09 |
| Daylight | 10 h 59 min | 11 h 55 min |
| People on this clock | 61,388 | 79,308 |
Compare Castro Valley, CA with another city
More comparisons with Castro Valley, CA: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Castro Valley, CA and Phuket: common questions
What is the time difference between Castro Valley, CA, and Phuket?
Phuket is 14 hours ahead: it uses UTC+7, while Castro Valley is on UTC−7.
What time is it in Phuket at the start of the working day in Castro Valley, CA?
The working day in Castro Valley starts at 9:00 AM; in Phuket it is 11:00 PM at that moment.
What time is it in Phuket when it is 6:00 PM in Castro Valley, CA?
When it is 6:00 PM in Castro Valley, it is 8:00 AM (the next day) in Phuket.
When is a good time to call Phuket from Castro Valley, CA?
Working hours (9:00 AM–6:00 PM) in Castro Valley and in Phuket do not overlap. At 9:00 AM in Castro Valley it is 11:00 PM in Phuket; when the working day starts in Phuket, it is 7:00 PM (the previous day) in Castro Valley.
When does the date change in Phuket compared with Castro Valley, CA?
The new day starts in Phuket earlier: at 10:00 AM in Castro Valley it is already midnight there. Until 2:00 PM in Phuket, Castro Valley is still on the previous day.
Is the time difference between Castro Valley, CA, and Phuket the same all year?
No. Only Castro Valley switches to summer time, so the gap changes twice a year. From November 1, 2026, Phuket will be 15 hours ahead of Castro Valley.
