SeaTac, WA to Chiang Mai: time difference
Chiang Mai is 14 h ahead of SeaTac, WA. 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.
SeaTac, WA 17:56 5:56 PM Chiang Mai 07:56 7:56 AM You –:–
17:56 5:56 PM
Pacific Daylight Time · UTC-7
☀️ 07:31 · 🌙 18:19
07:56 7:56 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
+14 h
Chiang Mai is 14 h ahead of SeaTac, WA.
When you, SeaTac, WA 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
🇺🇸 SeaTac, WA
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
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 13 1 PM
📍 Your time
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Time zones side by side
| Detail | 🇺🇸 SeaTac, WA | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 17:56 | 07:56 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Pacific Daylight Time | Indochina Time |
| UTC offset | UTC-7 | UTC+7 |
| Offset from SeaTac, WA | — | +14 h |
| IANA zone | America/Los Angeles | Asia/Bangkok |
| Daylight saving | On summer time → UTC-8, Nov 1, 01:00 | Not observed |
| Sunrise | 07:31 | 06:19 |
| Sunset | 18:19 | 18:01 |
| Daylight | 10 h 48 min | 11 h 41 min |
| People on this clock | 31,454 | 127,240 |
Compare SeaTac, WA with another city
More comparisons with SeaTac, WA: the time zones next to it and the far side of the clock.
Nearby time zones
SeaTac, WA and Chiang Mai: common questions
What is the time difference between SeaTac, WA, and Chiang Mai?
Chiang Mai is 14 hours ahead: it uses UTC+7, while SeaTac is on UTC−7.
What time is it in Chiang Mai at the start of the working day in SeaTac, WA?
The working day in SeaTac starts at 9:00 AM; in Chiang Mai it is 11:00 PM at that moment.
What time is it in Chiang Mai when it is 6:00 PM in SeaTac, WA?
When it is 6:00 PM in SeaTac, it is 8:00 AM (the next day) in Chiang Mai.
Is there a time when both SeaTac, WA, and Chiang Mai are at work?
No, the working days (9:00 AM–6:00 PM) do not overlap. When the day starts in SeaTac at 9:00 AM, it is 11:00 PM in Chiang Mai; the day in Chiang Mai starts at 7:00 PM (the previous day) in SeaTac time.
From what time in SeaTac, WA, is it tomorrow in Chiang Mai?
Once it is 10:00 AM in SeaTac, the date in Chiang Mai has already changed. Until 2:00 PM in Chiang Mai, it is still the previous day in SeaTac.
Does the time difference between SeaTac, WA, and Chiang Mai change?
Yes. The clocks change only in SeaTac. From November 1, 2026, Chiang Mai will be 15 hours ahead of SeaTac.
