Decatur, AL to Chiang Mai: time difference
Chiang Mai is 12 h ahead of Decatur, AL. 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, AL 00:25 12:25 AM Chiang Mai 12:25 12:25 PM You –:–
00:25 12:25 AM
Central Daylight Time · UTC-5
☀️ 06:57 · 🌙 18:10
12:25 12:25 PM
Indochina Time · UTC+7
☀️ 06:20 · 🌙 17:59
·
+12 h
Chiang Mai is 12 h ahead of Decatur, AL.
When you, Decatur, AL 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, AL
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, AL | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 00:25 | 12:25 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central Daylight Time | Indochina Time |
| UTC offset | UTC-5 | UTC+7 |
| Offset from Decatur, AL | — | +12 h |
| IANA zone | America/Chicago | Asia/Bangkok |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 06:57 | 06:20 |
| Sunset | 18:10 | 17:59 |
| Daylight | 11 h 12 min | 11 h 39 min |
| People on this clock | 77,047 | 127,240 |
Compare Decatur, AL with another city
More comparisons with Decatur, AL: the time zones next to it and the far side of the clock.
Nearby time zones
Decatur, AL and Chiang Mai: common questions
How many hours ahead of Decatur, AL, is Chiang Mai?
The clocks in Chiang Mai are 12 hours ahead of those in Decatur (UTC+7 and UTC−5).
What time is it in Chiang Mai at the start of the working day in Decatur, AL?
The working day in Decatur starts at 9:00 AM; in Chiang Mai it is 9:00 PM at that moment.
What time is it in Chiang Mai at the end of the working day in Decatur, AL?
The working day in Decatur ends at 6:00 PM; in Chiang Mai it is 6:00 AM (the next day) at that moment.
When is a good time to call Chiang Mai from Decatur, AL?
Working hours (9:00 AM–6:00 PM) in Decatur and in Chiang Mai do not overlap. At 9:00 AM in Decatur it is 9:00 PM in Chiang Mai; when the working day starts in Chiang Mai, it is 9:00 PM (the previous day) in Decatur.
When does the date change in Chiang Mai compared with Decatur, AL?
The new day starts in Chiang Mai earlier: at 12:00 PM in Decatur it is already midnight there. Until 12:00 PM in Chiang Mai, Decatur is still on the previous day.
Does the time gap between Decatur, AL, 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.
