Castro Valley, CA to Chiang Mai: time difference
Chiang Mai 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 08:05 8:05 AM Chiang Mai 22:05 10:05 PM You –:–
08:05 8:05 AM
Pacific Daylight Time · UTC-7
☀️ 07:24 · 🌙 18:23
22:05 10:05 PM
Indochina Time · UTC+7
☀️ 06:21 · 🌙 17:58
·
+14 h
Chiang Mai is 14 h ahead of Castro Valley, CA.
When you, Castro Valley, CA and Chiang Mai 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
🇹🇭 Chiang Mai
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
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Castro Valley, CA | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 08:05 | 22:05 |
| 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 | 06:21 |
| Sunset | 18:23 | 17:58 |
| Daylight | 10 h 59 min | 11 h 37 min |
| People on this clock | 61,388 | 127,240 |
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
Castro Valley, CA and Chiang Mai: common questions
How many hours ahead of Castro Valley, CA, is Chiang Mai?
The clocks in Chiang Mai are 14 hours ahead of those in Castro Valley (UTC+7 and UTC−7).
What time is it in Chiang Mai when it is 9:00 AM in Castro Valley, CA?
When it is 9:00 AM in Castro Valley, it is 11:00 PM in Chiang Mai.
What time is it in Chiang Mai 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 Chiang Mai.
When is a good time to call Chiang Mai from Castro Valley, CA?
Working hours (9:00 AM–6:00 PM) in Castro Valley and in Chiang Mai do not overlap. At 9:00 AM in Castro Valley it is 11:00 PM in Chiang Mai; when the working day starts in Chiang Mai, it is 7:00 PM (the previous day) in Castro Valley.
When is it already the next day in Chiang Mai?
From 10:00 AM in Castro Valley, CA, it is already the next day in Chiang Mai. The other way round, until 2:00 PM in Chiang Mai it is still the previous day in Castro Valley.
Does the time gap between Castro Valley, CA, and Chiang Mai change during the year?
Yes – daylight saving time is used in Castro Valley but not in Chiang Mai. From November 1, 2026, Chiang Mai will be 15 hours ahead of Castro Valley.
