Chiang Mai to Ulsan: time difference
Ulsan is 2 h ahead of 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 03:01 3:01 AM Ulsan 05:01 5:01 AM You –:–
03:01 3:01 AM
Indochina Time · UTC+7
☀️ 06:19 · 🌙 18:01
05:01 5:01 AM
Korean Standard Time · UTC+9
☀️ 06:32 · 🌙 17:46
·
+2 h
Ulsan is 2 h ahead of Chiang Mai.
When you, Chiang Mai and Ulsan 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
🇰🇷 Ulsan
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇭 Chiang Mai | 🇰🇷 Ulsan |
|---|---|---|
| Local time | 03:01 | 05:01 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Indochina Time | Korean Standard Time |
| UTC offset | UTC+7 | UTC+9 |
| Offset from Chiang Mai | — | +2 h |
| IANA zone | Asia/Bangkok | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:19 | 06:32 |
| Sunset | 18:01 | 17:46 |
| Daylight | 11 h 41 min | 11 h 14 min |
| People on this clock | 127,240 | 1,129,827 |
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 Ulsan: common questions
What is the time difference between Chiang Mai and Ulsan?
Ulsan is 2 hours ahead: it uses UTC+9, while Chiang Mai is on UTC+7.
What time is it in Ulsan at the start of the working day in Chiang Mai?
The working day in Chiang Mai starts at 9:00 AM; in Ulsan it is 11:00 AM at that moment.
What time is it in Ulsan when it is 6:00 PM in Chiang Mai?
When it is 6:00 PM in Chiang Mai, it is 8:00 PM in Ulsan.
When is a good time to call Ulsan from Chiang Mai?
Between 9:00 AM and 4:00 PM in Chiang Mai – that is 11:00 AM to 6:00 PM in Ulsan – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Ulsan compared with Chiang Mai?
The new day starts in Ulsan earlier: at 10:00 PM in Chiang Mai it is already midnight there. Until 2:00 AM in Ulsan, Chiang Mai is still on the previous day.
Does the time gap between Chiang Mai and Ulsan change during the year?
No, the clocks change neither in Chiang Mai nor in Ulsan, so the gap is 2 hours all year round.
