
Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
Japan · Asia/Tokyo · GMT+9
Tokyo is 1h ahead of Singapore

Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
Japan · Asia/Tokyo · GMT+9

Exact time synced with atomic clocks (IANA + NTP)
Sunday, April 5, 2026
Singapore · Asia/Singapore · GMT+8
If you are scheduling a call between Tokyo and Singapore, the overlap window is limited to typical business hours. When it is 10 am in Tokyo it is 9 am in Singapore — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Tokyo (4 pm in Singapore). Outside this window there is effectively no good overlap for regular office hours.
Scheduling a family call between Tokyo and Singapore takes a little planning. Tokyo is 1 hour ahead of Singapore, which means there's no window that feels comfortable for everyone at the same time. The most manageable option is early evening in Tokyo — around 7 pm — which puts Singapore at 6 pm. Someone will need to stretch a little, but at least no one's setting a middle-of-the-night alarm. Weekends tend to give the most flexibility if you can agree on a time in advance.
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