Cebu to Ulsan: time difference
Ulsan is 1 h ahead of Cebu. 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.
Cebu 02:39 2:39 AM Ulsan 03:39 3:39 AM You –:–
02:39 2:39 AM
Philippine Standard Time · UTC+8
☀️ 05:34 · 🌙 17:27
03:39 3:39 AM
Korean Standard Time · UTC+9
☀️ 06:32 · 🌙 17:46
·
+1 h
Ulsan is 1 h ahead of Cebu.
When you, Cebu 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
🇵🇭 Cebu
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
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 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇵🇭 Cebu | 🇰🇷 Ulsan |
|---|---|---|
| Local time | 02:39 | 03:39 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Philippine Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Cebu | — | +1 h |
| IANA zone | Asia/Manila | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:34 | 06:32 |
| Sunset | 17:27 | 17:46 |
| Daylight | 11 h 53 min | 11 h 14 min |
| People on this clock | 964,169 | 1,129,827 |
Compare Cebu with another city
More comparisons with Cebu: the time zones next to it and the far side of the clock.
Big time differences
Cebu and Ulsan: common questions
What is the time difference between Cebu and Ulsan?
Ulsan is 1 hour ahead: it uses UTC+9, while Cebu is on UTC+8.
If it is 9:00 AM in Cebu, what time is it in Ulsan?
At 9:00 AM in Cebu, clocks in Ulsan show 10:00 AM.
What time is it in Ulsan when it is 6:00 PM in Cebu?
When it is 6:00 PM in Cebu, it is 7:00 PM in Ulsan.
Is there a time when both Cebu and Ulsan are at work?
Yes: from 9:00 AM to 5:00 PM in Cebu (10:00 AM to 6:00 PM in Ulsan), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Ulsan?
From 11:00 PM in Cebu it is already the next day in Ulsan. The other way round, until 1:00 AM in Ulsan it is still the previous day in Cebu.
Does the time gap between Cebu and Ulsan change during the year?
No, the clocks change neither in Cebu nor in Ulsan, so the gap is 1 hour all year round.
