Chiang Mai to Sumter, SC: time difference
Sumter, SC is 11 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 16:48 4:48 PM Sumter, SC 05:48 5:48 AM You –:–
16:48 4:48 PM
Indochina Time · UTC+7
☀️ 06:18 · 🌙 18:05
05:48 5:48 AM
Eastern Daylight Time · UTC-4
☀️ 07:25 · 🌙 18:52
·
−11 h
Sumter, SC is 11 h behind Chiang Mai.
When you, Chiang Mai and Sumter, SC 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
🇺🇸 Sumter, SC
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 12 12 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Sumter, SC |
|---|---|---|
| Local time | 16:48 | 05:48 |
| Local date | Monday, October 12, 2026 | Monday, October 12, 2026 |
| Time zone | Indochina Time | Eastern Daylight Time |
| UTC offset | UTC+7 | UTC-4 |
| Offset from Chiang Mai | — | −11 h |
| IANA zone | Asia/Bangkok | America/New York |
| Daylight saving | Not observed | On summer time → UTC-5, Nov 1, 01:00 |
| Sunrise | 06:18 | 07:25 |
| Sunset | 18:05 | 18:52 |
| Daylight | 11 h 47 min | 11 h 28 min |
| People on this clock | 127,240 | 39,159 |
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 Sumter, SC: common questions
What is the time difference between Chiang Mai and Sumter, SC?
Sumter is 11 hours behind: it uses UTC−4, while Chiang Mai is on UTC+7.
If it is 9:00 AM in Chiang Mai, what time is it in Sumter, SC?
At 9:00 AM in Chiang Mai, clocks in Sumter show 10:00 PM (the previous day).
If it is 6:00 PM in Chiang Mai, what time is it in Sumter, SC?
At 6:00 PM in Chiang Mai, clocks in Sumter show 7:00 AM.
When is a good time to call Sumter, SC, from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Sumter do not overlap. At 9:00 AM in Chiang Mai it is 10:00 PM (the previous day) in Sumter; when the working day starts in Sumter, it is 8:00 PM in Chiang Mai.
When is it still the previous day in Sumter, SC?
Until 11:00 AM in Chiang Mai it is still the previous day in Sumter. The other way round, from 1:00 PM in Sumter it is already the next day in Chiang Mai.
Is the time difference between Chiang Mai and Sumter, SC, the same all year?
No. Only Sumter switches to summer time, so the gap changes twice a year. From November 1, 2026, Sumter will be 12 hours behind Chiang Mai.
