Decatur, IL to Chiang Mai: time difference
Chiang Mai is 12 h ahead of Decatur, IL. 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.
Decatur, IL 17:29 5:29 PM Chiang Mai 05:29 5:29 AM You –:–
17:29 5:29 PM
Central Daylight Time · UTC-5
☀️ 07:11 · 🌙 18:12
05:29 5:29 AM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 17:59
·
+12 h
Chiang Mai is 12 h ahead of Decatur, IL.
When you, Decatur, IL 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
🇺🇸 Decatur, IL
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 | 🇺🇸 Decatur, IL | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 17:29 | 05:29 |
| Local date | Monday, October 19, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Indochina Time |
| UTC offset | UTC-5 | UTC+7 |
| Offset from Decatur, IL | — | +12 h |
| IANA zone | America/Chicago | Asia/Bangkok |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:11 | 06:20 |
| Sunset | 18:12 | 17:59 |
| Daylight | 11 h 1 min | 11 h 39 min |
| People on this clock | 77,047 | 127,240 |
Compare Decatur, IL with another city
More comparisons with Decatur, IL: the time zones next to it and the far side of the clock.
Nearby time zones
Decatur, IL and Chiang Mai: common questions
How many hours ahead of Decatur, IL, is Chiang Mai?
The clocks in Chiang Mai are 12 hours ahead of those in Decatur (UTC+7 and UTC−5).
If it is 9:00 AM in Decatur, IL, what time is it in Chiang Mai?
At 9:00 AM in Decatur, clocks in Chiang Mai show 9:00 PM.
What time is it in Chiang Mai when it is 6:00 PM in Decatur, IL?
When it is 6:00 PM in Decatur, it is 6:00 AM (the next day) in Chiang Mai.
When do working hours in Decatur, IL, and in Chiang Mai overlap?
They don't: there are no shared working hours. The start of the day in Decatur (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 Decatur.
From what time in Decatur, IL, is it tomorrow in Chiang Mai?
Once it is 12:00 PM in Decatur, the date in Chiang Mai has already changed. Until 12:00 PM in Chiang Mai, it is still the previous day in Decatur.
Does the time gap between Decatur, IL, and Chiang Mai change during the year?
Yes – daylight saving time is used in Decatur but not in Chiang Mai. From November 1, 2026, Chiang Mai will be 13 hours ahead of Decatur.
