Time Difference Between Singapore and Japan
As of 31 August 2026, Japan is 1 hour ahead of Singapore. This difference is fixed: neither zone shifts its clocks against the other, so it holds all year.
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Singapore
06:34
Tue, Sep 1, 2026
UTC+8 · Asia/Singapore
Tokyo, Japan
+1h07:34
Tue, Sep 1, 2026
UTC+9 · Asia/Tokyo
Japan is 1 hour ahead of Singapore.
Time zone details
| Place | Local date | Time zone | UTC offset | Summer time |
|---|---|---|---|---|
| Singapore | Tuesday, September 1, 2026 | Asia/Singapore | UTC+8 | Not observed |
| Japan | Tuesday, September 1, 2026 | Asia/Tokyo | UTC+9 | Not observed |
Hour by hour: Singapore to Japan
Every hour of today in Singapore and what it is in Japan. Highlighted rows fall inside Japan working hours (09:00–18:00).
| Singapore | Japan |
|---|---|
| 00:00 | 01:00 |
| 01:00 | 02:00 |
| 02:00 | 03:00 |
| 03:00 | 04:00 |
| 04:00 | 05:00 |
| 05:00 | 06:00 |
| 06:00 | 07:00 |
| 07:00 | 08:00 |
| 08:00 | 09:00 |
| 09:00 | 10:00 |
| 10:00 | 11:00 |
| 11:00 | 12:00 |
| Singapore | Japan |
|---|---|
| 12:00 | 13:00 |
| 13:00 | 14:00 |
| 14:00 | 15:00 |
| 15:00 | 16:00 |
| 16:00 | 17:00 |
| 17:00 | 18:00 |
| 18:00 | 19:00 |
| 19:00 | 20:00 |
| 20:00 | 21:00 |
| 21:00 | 22:00 |
| 22:00 | 23:00 |
| 23:00 | 00:00next day |
Best time to call or meet
Overlapping working hours
09:00–17:00 in Singapore (10:00–18:00 in Japan)
Both places are inside 09:00–18:00 for 8 hours a day. Anything in this window works without asking anyone to stay late.
Reasonable calling hours
08:00–20:00 in Singapore (09:00–21:00 in Japan)
Both people are awake and available between 08:00 and 21:00 local time during this window.
When this difference changes
Neither Singapore nor Japan changes its clocks, so the difference of 1 hour stays the same all year.
Planning something with more than two places?
Adding a third city usually kills the obvious answer. The Meeting Time Finder takes up to five cities at once and shows only the hours that work for everybody.
Singapore and Japan: common questions
What is the time difference between Singapore and Japan?
Japan is 1 hour ahead of Singapore, and this does not change during the year because the difference between these two zones is fixed.
When it is 9:00 AM in Singapore, what time is it in Japan?
It is 10:00 AM in Tokyo, Japan. Use the time field in the calculator above to check any other hour.
Is Japan ahead of or behind Singapore?
Japan is ahead of Singapore by 1 hour at the moment. In practical terms, the working day in Japan starts and ends earlier in Singapore terms.
Do Singapore and Japan observe daylight saving time?
Neither Singapore nor Japan observes daylight saving time, so the difference stays at 1 hour all year.
What is the best time to call Japan from Singapore?
Working hours overlap between 09:00 and 17:00 Singapore time, which is 10:00 to 18:00 in Japan. Calls inside that window reach both sides during the normal working day.
Related comparisons
Local dates shown for Singapore (UTC+8) and Tokyo, Japan (UTC+9) were generated on Monday, August 31, 2026 UTC and refresh in your browser.