Chiang Mai to SeaTac, WA: time difference
SeaTac, WA is 14 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 04:55 4:55 AM SeaTac, WA 14:55 2:55 PM You –:–
04:55 4:55 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
14:55 2:55 PM
Pacific Daylight Time · UTC-7
☀️ 07:31 · 🌙 18:19
·
−14 h
SeaTac, WA is 14 h behind Chiang Mai.
When you, Chiang Mai and SeaTac, WA 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
🇺🇸 SeaTac, WA
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇺🇸 SeaTac, WA |
|---|---|---|
| Local time | 04:55 | 14:55 |
| Local date | Sunday, October 18, 2026 | Saturday, October 17, 2026 |
| Time zone | Indochina Time | Pacific Daylight Time |
| UTC offset | UTC+7 | UTC-7 |
| Offset from Chiang Mai | — | −14 h |
| IANA zone | Asia/Bangkok | America/Los Angeles |
| Daylight saving | Not observed | On summer time → UTC-8, Nov 1, 01:00 |
| Sunrise | 06:19 | 07:31 |
| Sunset | 18:01 | 18:19 |
| Daylight | 11 h 41 min | 10 h 48 min |
| People on this clock | 127,240 | 31,454 |
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 SeaTac, WA: common questions
How many hours behind Chiang Mai is SeaTac, WA?
The clocks in SeaTac are 14 hours behind those in Chiang Mai (UTC−7 and UTC+7).
If it is 9:00 AM in Chiang Mai, what time is it in SeaTac, WA?
At 9:00 AM in Chiang Mai, clocks in SeaTac show 7:00 PM (the previous day).
What time is it in SeaTac, WA, at the end of the working day in Chiang Mai?
The working day in Chiang Mai ends at 6:00 PM; in SeaTac it is 4:00 AM at that moment.
Is there a time when both Chiang Mai and SeaTac, WA, are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in Chiang Mai at 9:00 AM, it is 7:00 PM (the previous day) in SeaTac; the day in SeaTac starts at 11:00 PM in Chiang Mai time.
When is it still the previous day in SeaTac, WA?
Until 2:00 PM in Chiang Mai it is still the previous day in SeaTac. The other way round, from 10:00 AM in SeaTac it is already the next day in Chiang Mai.
Does the time difference between Chiang Mai and SeaTac, WA, change?
Yes. The clocks change only in SeaTac. From November 1, 2026, SeaTac will be 15 hours behind Chiang Mai.
