Koriyama to Singapore: time difference
Singapore is 1 h behind Koriyama. 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.
Koriyama 21:30 9:30 PM Singapore 20:30 8:30 PM You –:–
21:30 9:30 PM
Japan Standard Time · UTC+9
☀️ 05:51 · 🌙 16:57
20:30 8:30 PM
Singapore Standard Time · UTC+8
☀️ 06:48 · 🌙 18:53
·
−1 h
Singapore is 1 h behind Koriyama.
When you, Koriyama 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
🇯🇵 Koriyama
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 | 🇯🇵 Koriyama | 🇸🇬 Singapore |
|---|---|---|
| Local time | 21:30 | 20:30 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Japan Standard Time | Singapore Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Koriyama | — | −1 h |
| IANA zone | Asia/Tokyo | Asia/Singapore |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:51 | 06:48 |
| Sunset | 16:57 | 18:53 |
| Daylight | 11 h 6 min | 12 h 5 min |
| People on this clock | 327,692 | 5,535,002 |
Compare Koriyama with another city
More comparisons with Koriyama: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Koriyama and Singapore: common questions
How far behind Koriyama is Singapore?
Singapore is 1 hour behind Koriyama: UTC+8 against UTC+9.
What time is it in Singapore at the start of the working day in Koriyama?
The working day in Koriyama starts at 9:00 AM; in Singapore it is 8:00 AM at that moment.
What time is it in Singapore when it is 6:00 PM in Koriyama?
When it is 6:00 PM in Koriyama, it is 5:00 PM in Singapore.
Is there a time when both Koriyama and Singapore are at work?
Yes: from 10:00 AM to 6:00 PM in Koriyama (9:00 AM to 5:00 PM in Singapore), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Koriyama is it still yesterday in Singapore?
Before 1:00 AM in Koriyama, the date in Singapore has not changed yet. From 11:00 PM in Singapore, it is already the next day in Koriyama.
Does the time gap between Koriyama and Singapore change during the year?
No, the clocks change neither in Koriyama nor in Singapore, so the gap is 1 hour all year round.
