Chiang Mai to San Antonio, TX: time difference
San Antonio, TX is 12 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 09:40 9:40 AM San Antonio, TX 21:40 9:40 PM You –:–
09:40 9:40 AM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
21:40 9:40 PM
Central Daylight Time · UTC-5
☀️ 07:32 · 🌙 19:11
·
−12 h
San Antonio, TX is 12 h behind Chiang Mai.
When you, Chiang Mai and San Antonio, TX 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 Antonio, TX
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 11 11 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 San Antonio, TX |
|---|---|---|
| Local time | 09:40 | 21:40 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Indochina Time | Central Daylight Time |
| UTC offset | UTC+7 | UTC-5 |
| Offset from Chiang Mai | — | −12 h |
| IANA zone | Asia/Bangkok | America/Chicago |
| Daylight saving | Not observed | On summer time → UTC-6, Nov 1, 01:00 |
| Sunrise | 06:17 | 07:32 |
| Sunset | 18:07 | 19:11 |
| Daylight | 11 h 49 min | 11 h 39 min |
| People on this clock | 127,240 | 1,434,625 |
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 Antonio, TX: common questions
How far behind Chiang Mai is San Antonio, TX?
San Antonio is 12 hours behind Chiang Mai: UTC−5 against UTC+7.
If it is 9:00 AM in Chiang Mai, what time is it in San Antonio, TX?
At 9:00 AM in Chiang Mai, clocks in San Antonio show 9:00 PM (the previous day).
What time is it in San Antonio, TX, at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in San Antonio it is 6:00 AM at that moment.
Is there a time when both Chiang Mai and San Antonio, TX, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Chiang Mai at 9:00 AM, it is 9:00 PM (the previous day) in San Antonio; the day in San Antonio starts at 9:00 PM in Chiang Mai time.
When does the date change in San Antonio, TX, compared with Chiang Mai?
The new day starts in San Antonio later: until 12:00 PM in Chiang Mai, it is still the previous day there. From 12:00 PM in San Antonio, Chiang Mai is already on the next day.
Does the time gap between Chiang Mai and San Antonio, TX, change during the year?
Yes – daylight saving time is used in San Antonio but not in Chiang Mai. From November 1, 2026, San Antonio will be 13 hours behind Chiang Mai.
