Chiang Mai to Alton, IL: time difference
Alton, IL 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 02:41 2:41 AM Alton, IL 14:41 2:41 PM You –:–
02:41 2:41 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 17:58
14:41 2:41 PM
Central Daylight Time · UTC-5
☀️ 07:16 · 🌙 18:17
·
−12 h
Alton, IL is 12 h behind Chiang Mai.
When you, Chiang Mai and Alton, IL 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
🇺🇸 Alton, IL
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
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Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Alton, IL |
|---|---|---|
| Local time | 02:41 | 14:41 |
| Local date | Wednesday, October 21, 2026 | Tuesday, October 20, 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 | 06:20 | 07:16 |
| Sunset | 17:58 | 18:17 |
| Daylight | 11 h 38 min | 11 h 1 min |
| People on this clock | 127,240 | 25,676 |
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 Alton, IL: common questions
How far behind Chiang Mai is Alton, IL?
Alton is 12 hours behind Chiang Mai: UTC−5 against UTC+7.
What time is it in Alton, IL, when it is 9:00 AM in Chiang Mai?
When it is 9:00 AM in Chiang Mai, it is 9:00 PM (the previous day) in Alton.
If it is 6:00 PM in Chiang Mai, what time is it in Alton, IL?
At 6:00 PM in Chiang Mai, clocks in Alton show 6:00 AM.
When is a good time to call Alton, IL, from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Alton do not overlap. At 9:00 AM in Chiang Mai it is 9:00 PM (the previous day) in Alton; when the working day starts in Alton, it is 9:00 PM in Chiang Mai.
Until what time in Chiang Mai is it still yesterday in Alton, IL?
Before 12:00 PM in Chiang Mai, the date in Alton has not changed yet. From 12:00 PM in Alton, it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and Alton, IL, change?
Yes. The clocks change only in Alton. From November 1, 2026, Alton will be 13 hours behind Chiang Mai.
