Singapore to Cheonan: time difference
Cheonan is 1 h ahead of Singapore. 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.
Singapore 02:59 2:59 AM Cheonan 03:59 3:59 AM You –:–
02:59 2:59 AM
Singapore Standard Time · UTC+8
☀️ 06:48 · 🌙 18:53
03:59 3:59 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:51
·
+1 h
Cheonan is 1 h ahead of Singapore.
When you, Singapore and Cheonan are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇸🇬 Singapore
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
🇰🇷 Cheonan
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 | 🇸🇬 Singapore | 🇰🇷 Cheonan |
|---|---|---|
| Local time | 02:59 | 03:59 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Singapore Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Singapore | — | +1 h |
| IANA zone | Asia/Singapore | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:48 | 06:44 |
| Sunset | 18:53 | 17:51 |
| Daylight | 12 h 5 min | 11 h 7 min |
| People on this clock | 5,535,002 | 658,486 |
Compare Singapore with another city
More comparisons with Singapore: the time zones next to it and the far side of the clock.
Big time differences
Singapore and Cheonan: common questions
How many hours ahead of Singapore is Cheonan?
The clocks in Cheonan are 1 hour ahead of those in Singapore (UTC+9 and UTC+8).
What time is it in Cheonan at the start of the working day in Singapore?
The working day in Singapore starts at 9:00 AM; in Cheonan it is 10:00 AM at that moment.
What time is it in Cheonan when it is 6:00 PM in Singapore?
When it is 6:00 PM in Singapore, it is 7:00 PM in Cheonan.
Is there a time when both Singapore and Cheonan are at work?
Yes: from 9:00 AM to 5:00 PM in Singapore (10:00 AM to 6:00 PM in Cheonan), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Cheonan?
From 11:00 PM in Singapore it is already the next day in Cheonan. The other way round, until 1:00 AM in Cheonan it is still the previous day in Singapore.
Does the time gap between Singapore and Cheonan change during the year?
No, the clocks change neither in Singapore nor in Cheonan, so the gap is 1 hour all year round.
