Chiang Mai to Herndon, VA: time difference
Herndon, VA 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 16:10 4:10 PM Herndon, VA 05:10 5:10 AM You –:–
16:10 4:10 PM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
05:10 5:10 AM
Eastern Daylight Time · UTC-4
☀️ 07:23 · 🌙 18:28
·
−11 h
Herndon, VA is 11 h behind Chiang Mai.
When you, Chiang Mai and Herndon, VA 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
🇺🇸 Herndon, VA
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
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- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 Herndon, VA |
|---|---|---|
| Local time | 16:10 | 05:10 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 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 | 06:19 | 07:23 |
| Sunset | 18:01 | 18:28 |
| Daylight | 11 h 41 min | 11 h 6 min |
| People on this clock | 127,240 | 24,655 |
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 Herndon, VA: common questions
How far behind Chiang Mai is Herndon, VA?
Herndon is 11 hours behind Chiang Mai: UTC−4 against UTC+7.
What time is it in Herndon, VA, at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Herndon it is 10:00 PM (the previous day) at that moment.
If it is 6:00 PM in Chiang Mai, what time is it in Herndon, VA?
At 6:00 PM in Chiang Mai, clocks in Herndon show 7:00 AM.
When is a good time to call Herndon, VA, from Chiang Mai?
Working hours (9:00 AM–6:00 PM) in Chiang Mai and in Herndon do not overlap. At 9:00 AM in Chiang Mai it is 10:00 PM (the previous day) in Herndon; when the working day starts in Herndon, it is 8:00 PM in Chiang Mai.
Until what time in Chiang Mai is it still yesterday in Herndon, VA?
Before 11:00 AM in Chiang Mai, the date in Herndon has not changed yet. From 1:00 PM in Herndon, it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and Herndon, VA, change?
Yes. The clocks change only in Herndon. From November 1, 2026, Herndon will be 12 hours behind Chiang Mai.
