Sumter, SC to Chiang Mai: time difference
Chiang Mai is 11 h ahead of Sumter, SC. 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.
Sumter, SC 03:30 3:30 AM Chiang Mai 14:30 2:30 PM You –:–
03:30 3:30 AM
Eastern Daylight Time · UTC-4
☀️ 07:25 · 🌙 18:52
14:30 2:30 PM
Indochina Time · UTC+7
☀️ 06:18 · 🌙 18:05
·
+11 h
Chiang Mai is 11 h ahead of Sumter, SC.
When you, Sumter, SC 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
🇺🇸 Sumter, SC
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Sumter, SC | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 03:30 | 14:30 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Eastern Daylight Time | Indochina Time |
| UTC offset | UTC-4 | UTC+7 |
| Offset from Sumter, SC | — | +11 h |
| IANA zone | America/New York | Asia/Bangkok |
| Daylight saving | On summer time → UTC-5, Nov 1, 01:00 | Not observed |
| Sunrise | 07:25 | 06:18 |
| Sunset | 18:52 | 18:05 |
| Daylight | 11 h 28 min | 11 h 47 min |
| People on this clock | 39,159 | 127,240 |
Compare Sumter, SC with another city
More comparisons with Sumter, SC: the time zones next to it and the far side of the clock.
Nearby time zones
Sumter, SC and Chiang Mai: common questions
How far ahead of Sumter, SC, is Chiang Mai?
Chiang Mai is 11 hours ahead of Sumter: UTC+7 against UTC−4.
What time is it in Chiang Mai at the start of the working day in Sumter, SC?
The working day in Sumter starts at 9:00 AM; in Chiang Mai it is 8:00 PM at that moment.
What time is it in Chiang Mai at the end of the working day in Sumter, SC?
The working day in Sumter ends at 6:00 PM; in Chiang Mai it is 5:00 AM (the next day) at that moment.
When do working hours in Sumter, SC, and in Chiang Mai overlap?
They don't: there are no shared working hours. The start of the day in Sumter (9:00 AM) is 8:00 PM in Chiang Mai, and the start of the day in Chiang Mai is 10:00 PM (the previous day) in Sumter.
From what time in Sumter, SC, is it tomorrow in Chiang Mai?
Once it is 1:00 PM in Sumter, the date in Chiang Mai has already changed. Until 11:00 AM in Chiang Mai, it is still the previous day in Sumter.
Does the time difference between Sumter, SC, and Chiang Mai change?
Yes. The clocks change only in Sumter. From November 1, 2026, Chiang Mai will be 12 hours ahead of Sumter.
