🇵🇭 Olongapo, Philippines
22
- Philippine Standard Time
- UTC+8
- Twilight
☀️ 05:51 · 🌙 17:38 · 11 h 47 min
Olongapo to Seoul: time difference
Seoul is 1 h ahead of Olongapo. 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.
Olongapo 17:54 5:54 PM Seoul 18:54 6:54 PM You –:–
17:54 5:54 PM
Philippine Standard Time · UTC+8
☀️ 05:51 · 🌙 17:38
18:54 6:54 PM
Korean Standard Time · UTC+9
☀️ 06:43 · 🌙 17:53
·
+1 h
Seoul is 1 h ahead of Olongapo.
When you, Olongapo and Seoul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇵🇭 Olongapo
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
🇰🇷 Seoul
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 | 🇵🇭 Olongapo | 🇰🇷 Seoul |
|---|---|---|
| Local time | 17:54 | 18:54 |
| 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 Olongapo | — | +1 h |
| IANA zone | Asia/Manila | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:51 | 06:43 |
| Sunset | 17:38 | 17:53 |
| Daylight | 11 h 47 min | 11 h 10 min |
| People on this clock | 233,040 | 9,509,458 |
Compare Olongapo with another city
More comparisons with Olongapo: the time zones next to it and the far side of the clock.
Big time differences
Olongapo and Seoul: common questions
What is the time difference between Olongapo and Seoul?
Seoul is 1 hour ahead: it uses UTC+9, while Olongapo is on UTC+8.
What time is it in Seoul at the start of the working day in Olongapo?
The working day in Olongapo starts at 9:00 AM; in Seoul it is 10:00 AM at that moment.
What time is it in Seoul when it is 6:00 PM in Olongapo?
When it is 6:00 PM in Olongapo, it is 7:00 PM in Seoul.
Is there a time when both Olongapo and Seoul are at work?
Yes: from 9:00 AM to 5:00 PM in Olongapo (10:00 AM to 6:00 PM in Seoul), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Seoul compared with Olongapo?
The new day starts in Seoul earlier: at 11:00 PM in Olongapo it is already midnight there. Until 1:00 AM in Seoul, Olongapo is still on the previous day.
Does the time difference between Olongapo and Seoul change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
