Seongnam to Chiang Mai: time difference
Chiang Mai is 2 h behind Seongnam. 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.
Seongnam 06:12 6:12 AM Chiang Mai 04:12 4:12 AM You –:–
06:12 6:12 AM
Korean Standard Time · UTC+9
☀️ 06:42 · 🌙 17:52
04:12 4:12 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
·
−2 h
Chiang Mai is 2 h behind Seongnam.
When you, Seongnam 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
🇰🇷 Seongnam
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
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 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Seongnam | 🇹🇭 Chiang Mai |
|---|---|---|
| Local time | 06:12 | 04:12 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Korean Standard Time | Indochina Time |
| UTC offset | UTC+9 | UTC+7 |
| Offset from Seongnam | — | −2 h |
| IANA zone | Asia/Seoul | Asia/Bangkok |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:42 | 06:19 |
| Sunset | 17:52 | 18:01 |
| Daylight | 11 h 10 min | 11 h 41 min |
| People on this clock | 967,510 | 127,240 |
Compare Seongnam with another city
More comparisons with Seongnam: the time zones next to it and the far side of the clock.
Big time differences
Seongnam and Chiang Mai: common questions
How many hours behind Seongnam is Chiang Mai?
The clocks in Chiang Mai are 2 hours behind those in Seongnam (UTC+7 and UTC+9).
If it is 9:00 AM in Seongnam, what time is it in Chiang Mai?
At 9:00 AM in Seongnam, clocks in Chiang Mai show 7:00 AM.
If it is 6:00 PM in Seongnam, what time is it in Chiang Mai?
At 6:00 PM in Seongnam, clocks in Chiang Mai show 4:00 PM.
When is a good time to call Chiang Mai from Seongnam?
Between 11:00 AM and 6:00 PM in Seongnam – that is 9:00 AM to 4:00 PM in Chiang Mai – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Chiang Mai compared with Seongnam?
The new day starts in Chiang Mai later: until 2:00 AM in Seongnam, it is still the previous day there. From 10:00 PM in Chiang Mai, Seongnam is already on the next day.
Does the time gap between Seongnam and Chiang Mai change during the year?
No, the clocks change neither in Seongnam nor in Chiang Mai, so the gap is 2 hours all year round.
