Jerudong to Seoul: time difference
Seoul is 1 h ahead of Jerudong. 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.
Jerudong 11:53 11:53 AM Seoul 12:53 12:53 PM You –:–
11:53 11:53 AM
Brunei Darussalam Time · UTC+8
☀️ 06:07 · 🌙 18:10
12:53 12:53 PM
Korean Standard Time · UTC+9
☀️ 06:36 · 🌙 18:04
·
+1 h
Seoul is 1 h ahead of Jerudong.
When you, Jerudong 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
🇧🇳 Jerudong
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 | 🇧🇳 Jerudong | 🇰🇷 Seoul |
|---|---|---|
| Local time | 11:53 | 12:53 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Brunei Darussalam Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Jerudong | — | +1 h |
| IANA zone | Asia/Brunei | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:07 | 06:36 |
| Sunset | 18:10 | 18:04 |
| Daylight | 12 h 2 min | 11 h 29 min |
| People on this clock | 11,000 | 9,509,458 |
Compare Jerudong with another city
More comparisons with Jerudong: the time zones next to it and the far side of the clock.
Big time differences
Jerudong and Seoul: common questions
How many hours ahead of Jerudong is Seoul?
The clocks in Seoul are 1 hour ahead of those in Jerudong (UTC+9 and UTC+8).
What time is it in Seoul when it is 9:00 AM in Jerudong?
When it is 9:00 AM in Jerudong, it is 10:00 AM in Seoul.
What time is it in Seoul at the end of the working day in Jerudong?
The working day in Jerudong ends at 6:00 PM; in Seoul it is 7:00 PM at that moment.
When is a good time to call Seoul from Jerudong?
Between 9:00 AM and 5:00 PM in Jerudong – that is 10:00 AM to 6:00 PM in Seoul – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Seoul compared with Jerudong?
The new day starts in Seoul earlier: at 11:00 PM in Jerudong it is already midnight there. Until 1:00 AM in Seoul, Jerudong is still on the previous day.
Does the time gap between Jerudong and Seoul change during the year?
No, the clocks change neither in Jerudong nor in Seoul, so the gap is 1 hour all year round.
