Chiang Mai to San Francisco: time difference
San Francisco is 13 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 18:35 6:35 PM San Francisco 05:35 5:35 AM You –:–
18:35 6:35 PM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 18:00
05:35 5:35 AM
Central Standard Time · UTC-6
☀️ 05:26 · 🌙 17:18
·
−13 h
San Francisco is 13 h behind Chiang Mai.
When you, Chiang Mai 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
🇹🇭 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
🇨🇷 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 | 🇹🇭 Chiang Mai | 🇨🇷 San Francisco |
|---|---|---|
| Local time | 18:35 | 05:35 |
| 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 Chiang Mai | — | −13 h |
| IANA zone | Asia/Bangkok | America/Costa Rica |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:20 | 05:26 |
| Sunset | 18:00 | 17:18 |
| Daylight | 11 h 40 min | 11 h 53 min |
| People on this clock | 127,240 | 55,923 |
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 San Francisco: common questions
How far behind Chiang Mai is San Francisco?
San Francisco is 13 hours behind Chiang Mai: UTC−6 against UTC+7.
What time is it in San Francisco at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in San Francisco it is 8:00 PM (the previous day) at that moment.
What time is it in San Francisco at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in San Francisco it is 5:00 AM at that moment.
When is a good time to call San Francisco from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in San Francisco do not overlap. At 9:00 AM in Chiang Mai it is 8:00 PM (the previous day) in San Francisco; when the working day starts in San Francisco, it is 10:00 PM in Chiang Mai.
When does the date change in San Francisco compared with Chiang Mai?
The new day starts in San Francisco later: until 1:00 PM in Chiang Mai, it is still the previous day there. From 11:00 AM in San Francisco, Chiang Mai is already on the next day.
Does the time gap between Chiang Mai and San Francisco change during the year?
No, the clocks change neither in Chiang Mai nor in San Francisco, so the gap is 13 hours all year round.
