Saint Louis, MO to Chiang Mai: time difference
Chiang Mai is 12 h ahead of Saint Louis, MO. 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.
Saint Louis, MO 02:57 2:57 AM Chiang Mai 14:57 2:57 PM You –:–
02:57 2:57 AM
Central Daylight Time · UTC-5
☀️ 07:06 · 🌙 18:31
14:57 2:57 PM
Indochina Time · UTC+7
☀️ 06:17 · 🌙 18:07
·
+12 h
Chiang Mai is 12 h ahead of Saint Louis, MO.
When you, Saint Louis, MO 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
🇺🇸 Saint Louis, MO
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
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
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Time zones side by side
| Detail | 🇺🇸 Saint Louis, MO | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 02:57 | 14:57 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Central Daylight Time | Indochina Time |
| UTC offset | UTC-5 | UTC+7 |
| Offset from Saint Louis, MO | — | +12 h |
| IANA zone | America/Chicago | Asia/Bangkok |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:06 | 06:17 |
| Sunset | 18:31 | 18:07 |
| Daylight | 11 h 26 min | 11 h 49 min |
| People on this clock | 301,578 | 127,240 |
Compare Saint Louis, MO with another city
More comparisons with Saint Louis, MO: the time zones next to it and the far side of the clock.
Nearby time zones
Saint Louis, MO and Chiang Mai: common questions
What is the time difference between Saint Louis, MO, and Chiang Mai?
Chiang Mai is 12 hours ahead: it uses UTC+7, while Saint Louis is on UTC−5.
What time is it in Chiang Mai at the start of the working day in Saint Louis, MO?
The working day in Saint Louis starts at 9:00 AM; in Chiang Mai it is 9:00 PM at that moment.
What time is it in Chiang Mai when it is 6:00 PM in Saint Louis, MO?
When it is 6:00 PM in Saint Louis, it is 6:00 AM (the next day) in Chiang Mai.
When do working hours in Saint Louis, MO, and in Chiang Mai overlap?
They don't: there are no shared working hours. The start of the day in Saint Louis (9:00 AM) is 9:00 PM in Chiang Mai, and the start of the day in Chiang Mai is 9:00 PM (the previous day) in Saint Louis.
When is it already the next day in Chiang Mai?
From 12:00 PM in Saint Louis, MO, it is already the next day in Chiang Mai. The other way round, until 12:00 PM in Chiang Mai it is still the previous day in Saint Louis.
Does the time difference between Saint Louis, MO, and Chiang Mai change?
Yes. The clocks change only in Saint Louis. From November 1, 2026, Chiang Mai will be 13 hours ahead of Saint Louis.