Time Difference Between Singapore and Tokyo
Tokyo is 1h ahead of Singapore all year. Neither city observes daylight saving time, so this difference stays constant.
Singapore keeps the same clock all year. Tokyo keeps the same clock all year. The figure above holds for the whole year. It does not come from the offset on the day the site was built. The live clocks use the current time.
Working Hours Overlap
For each hour of Singapore's working day (9:00-18:00), here is the corresponding local time in Tokyo. Rows highlighted green fall within standard working hours (9:00-18:00) in both cities. Each block is one part of the year, so the table does not change with the day this page was built.
| Singapore | Tokyo | Both working hours? |
|---|---|---|
| 9 AM | 10 AM | Yes |
| 10 AM | 11 AM | Yes |
| 11 AM | 12 PM | Yes |
| 12 PM | 1 PM | Yes |
| 1 PM | 2 PM | Yes |
| 2 PM | 3 PM | Yes |
| 3 PM | 4 PM | Yes |
| 4 PM | 5 PM | Yes |
| 5 PM | 6 PM | No |
| 6 PM | 7 PM | No |
Best Time to Meet
- 9 AM-5 PM in Singapore (10 AM-6 PM in Tokyo) works for both sides. It falls within 9 AM-6 PM in both time zones.
How the Difference Changes
The difference between Singapore and Tokyo holds all year. Neither city changes its clocks.
Working Across Singapore and Tokyo
People overestimate this gap because the flight is about seven hours. The clock is one hour. Tokyo is ahead of Singapore by that hour every day of the year, and neither side observes daylight saving. 9 AM in Singapore is 10 AM in Tokyo. 6 PM in Tokyo is 5 PM in Singapore. The entire normal workday overlaps. There is nothing to rotate, and a 'split the difference' evening call is a solution to a problem this pair does not have.
What does move is the holiday calendar, not the offset. Singapore's public holidays and Japan's are different lists. Japan's late April and early May holidays, and the mid-August break, are working days in Singapore. Singapore's own public holidays, including National Day in August, are working days in Tokyo. A standing weekly call survives all of that. A one-off workshop booked into one of those weeks does not. The offset staying put is not a reason to skip the check.
Seven hours in a seat with a one-hour clock change leaves you tired from the airplane, not from the zone. You land in the same part of the day you expect. Sleep at the destination's normal hour and the next morning is a normal morning. Teams that fly this route a lot book the arrival evening off and the next day on, which is caution about the cabin, not about the time difference. If the next morning is bad, look at the arrival time, not at the one hour on this page.
Singapore
Singapore uses the Asia/Singapore time zone, at UTC+8 all year. This zone does not observe daylight saving time.
Tokyo
Tokyo uses the Asia/Tokyo time zone, at UTC+9 all year. This zone does not observe daylight saving time.