Ulsan to Mexico City: time difference
Mexico City is 15 h behind Ulsan. 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.
Ulsan 21:11 9:11 PM Mexico City 06:11 6:11 AM You –:–
21:11 9:11 PM
Korean Standard Time · UTC+9
☀️ 06:31 · 🌙 17:47
06:11 6:11 AM
Central Standard Time · UTC-6
☀️ 06:32 · 🌙 18:13
·
−15 h
Mexico City is 15 h behind Ulsan.
When you, Ulsan and Mexico City are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Ulsan
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
🇲🇽 Mexico City
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 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
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Time zones side by side
| Detail | 🇰🇷 Ulsan | 🇲🇽 Mexico City |
|---|---|---|
| Local time | 21:11 | 06:11 |
| Local date | Saturday, October 17, 2026 | Saturday, October 17, 2026 |
| Time zone | Korean Standard Time | Central Standard Time |
| UTC offset | UTC+9 | UTC-6 |
| Offset from Ulsan | — | −15 h |
| IANA zone | Asia/Seoul | America/Mexico City |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:31 | 06:32 |
| Sunset | 17:47 | 18:13 |
| Daylight | 11 h 16 min | 11 h 41 min |
| People on this clock | 1,129,827 | 9,209,944 |
Compare Ulsan with another city
More comparisons with Ulsan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ulsan and Mexico City: common questions
How far behind Ulsan is Mexico City?
Mexico City is 15 hours behind Ulsan: UTC−6 against UTC+9.
If it is 9:00 AM in Ulsan, what time is it in Mexico City?
At 9:00 AM in Ulsan, clocks in Mexico City show 6:00 PM (the previous day).
What time is it in Mexico City at the end of the working day in Ulsan?
The working day in Ulsan ends at 6:00 PM; in Mexico City it is 3:00 AM at that moment.
When is a good time to call Mexico City from Ulsan?
Working hours (9:00 AM–6:00 PM) in Ulsan and in Mexico City do not overlap. At 9:00 AM in Ulsan it is 6:00 PM (the previous day) in Mexico City; when the working day starts in Mexico City, it is 12:00 AM (the next day) in Ulsan.
When is it still the previous day in Mexico City?
Until 3:00 PM in Ulsan it is still the previous day in Mexico City. The other way round, from 9:00 AM in Mexico City it is already the next day in Ulsan.
Is the time difference between Ulsan and Mexico City the same all year?
Yes. Neither Ulsan nor Mexico City switches to summer time, so the gap is always 15 hours.
