Seoul to Jerudong: time difference
Jerudong is 1 h behind Seoul. 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.
Seoul 16:10 4:10 PM Jerudong 15:10 3:10 PM You –:–
16:10 4:10 PM
Korean Standard Time · UTC+9
☀️ 06:36 · 🌙 18:04
15:10 3:10 PM
Brunei Darussalam Time · UTC+8
☀️ 06:07 · 🌙 18:10
·
−1 h
Jerudong is 1 h behind Seoul.
When you, Seoul and Jerudong are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Seoul
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
🇧🇳 Jerudong
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Seoul | 🇧🇳 Jerudong |
|---|---|---|
| Local time | 16:10 | 15:10 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Korean Standard Time | Brunei Darussalam Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Seoul | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Brunei |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:36 | 06:07 |
| Sunset | 18:04 | 18:10 |
| Daylight | 11 h 29 min | 12 h 2 min |
| People on this clock | 9,509,458 | 11,000 |
Compare Seoul with another city
More comparisons with Seoul: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seoul and Jerudong: common questions
How far behind Seoul is Jerudong?
Jerudong is 1 hour behind Seoul: UTC+8 against UTC+9.
What time is it in Jerudong at the start of the working day in Seoul?
The working day in Seoul starts at 9:00 AM; in Jerudong it is 8:00 AM at that moment.
What time is it in Jerudong when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 5:00 PM in Jerudong.
When is a good time to call Jerudong from Seoul?
Between 10:00 AM and 6:00 PM in Seoul – that is 9:00 AM to 5:00 PM in Jerudong – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Seoul is it still yesterday in Jerudong?
Before 1:00 AM in Seoul, the date in Jerudong has not changed yet. From 11:00 PM in Jerudong, it is already the next day in Seoul.
Is the time difference between Seoul and Jerudong the same all year?
Yes. Neither Seoul nor Jerudong switches to summer time, so the gap is always 1 hour.
