Chiang Mai to Simi Valley, CA: time difference
Simi Valley, CA is 14 h behind Chiang Mai. 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.
Chiang Mai 02:34 2:34 AM Simi Valley, CA 12:34 12:34 PM You –:–
02:34 2:34 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
12:34 12:34 PM
Pacific Daylight Time · UTC-7
☀️ 07:03 · 🌙 18:18
·
−14 h
Simi Valley, CA is 14 h behind Chiang Mai.
When you, Chiang Mai and Simi Valley, CA are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇭 Chiang Mai
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
🇺🇸 Simi Valley, CA
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Simi Valley, CA |
|---|---|---|
| Local time | 02:34 | 12:34 |
| Local date | Monday, October 19, 2026 | Sunday, October 18, 2026 |
| Time zone | Indochina Time | Pacific Daylight Time |
| UTC offset | UTC+7 | UTC-7 |
| Offset from Chiang Mai | — | −14 h |
| IANA zone | Asia/Bangkok | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 06:20 | 07:03 |
| Sunset | 18:00 | 18:18 |
| Daylight | 11 h 40 min | 11 h 15 min |
| People on this clock | 127,240 | 121,288 |
Compare Chiang Mai with another city
More comparisons with Chiang Mai: the time zones next to it and the far side of the clock.
Big time differences
Chiang Mai and Simi Valley, CA: common questions
How far behind Chiang Mai is Simi Valley, CA?
Simi Valley is 14 hours behind Chiang Mai: UTC−7 against UTC+7.
What time is it in Simi Valley, CA, at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Simi Valley it is 7:00 PM (the previous day) at that moment.
What time is it in Simi Valley, CA, when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 4:00 AM in Simi Valley.
When is a good time to call Simi Valley, CA, from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Simi Valley do not overlap. At 9:00 AM in Chiang Mai it is 7:00 PM (the previous day) in Simi Valley; when the working day starts in Simi Valley, it is 11:00 PM in Chiang Mai.
When does the date change in Simi Valley, CA, compared with Chiang Mai?
The new day starts in Simi Valley later: until 2:00 PM in Chiang Mai, it is still the previous day there. From 10:00 AM in Simi Valley, Chiang Mai is already on the next day.
Is the time difference between Chiang Mai and Simi Valley, CA, the same all year?
No. Only Simi Valley switches to summer time, so the gap changes twice a year. From November 1, 2026, Simi Valley will be 15 hours behind Chiang Mai.
