Jeju to Singapore: time difference
Singapore is 1 h behind Jeju. Live clocks for both, the working hours they share, and how each one sits against your own time.
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Jeju 11:05 11:05 AM Singapore 10:05 10:05 AM You –:–
11:05 11:05 AM
Korean Standard Time · UTC+9
☀️ 06:35 · 🌙 18:09
10:05 10:05 AM
Singapore Standard Time · UTC+8
☀️ 06:50 · 🌙 18:55
·
−1 h
Singapore is 1 h behind Jeju.
When you, Jeju and Singapore are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Jeju
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
🇸🇬 Singapore
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 | 🇰🇷 Jeju | 🇸🇬 Singapore |
|---|---|---|
| Local time | 11:05 | 10:05 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Korean Standard Time | Singapore Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Jeju | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Singapore |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:35 | 06:50 |
| Sunset | 18:09 | 18:55 |
| Daylight | 11 h 34 min | 12 h 6 min |
| People on this clock | 469,279 | 5,535,002 |
Compare Jeju with another city
More comparisons with Jeju: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Jeju and Singapore: common questions
How far behind Jeju is Singapore?
Singapore is 1 hour behind Jeju: UTC+8 against UTC+9.
What time is it in Singapore at the start of the working day in Jeju?
The working day in Jeju starts at 9:00 AM; in Singapore it is 8:00 AM at that moment.
What time is it in Singapore at the end of the working day in Jeju?
The working day in Jeju ends at 6:00 PM; in Singapore it is 5:00 PM at that moment.
When is a good time to call Singapore from Jeju?
Between 10:00 AM and 6:00 PM in Jeju – that is 9:00 AM to 5:00 PM in Singapore – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Singapore compared with Jeju?
The new day starts in Singapore later: until 1:00 AM in Jeju, it is still the previous day there. From 11:00 PM in Singapore, Jeju is already on the next day.
Does the time gap between Jeju and Singapore change during the year?
No, the clocks change neither in Jeju nor in Singapore, so the gap is 1 hour all year round.
