
Exact time synced with atomic clocks (IANA + NTP)
Monday, April 6, 2026
Japan · Asia/Tokyo · GMT+9
Osaka is 2h ahead of Hanoi

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)
Monday, April 6, 2026
Vietnam · Asia/Ho_Chi_Minh · GMT+7
If you are scheduling a call between Osaka and Hanoi, the overlap window is limited to typical business hours. When it is 11 am in Osaka it is 9 am in Hanoi — a workable window for scheduling. The latest reasonable overlap is around 5 pm in Osaka (3 pm in Hanoi). Outside this window there is effectively no good overlap for regular office hours.
Osaka and Hanoi have a comfortable window for a family call — no awkward alarms required. Osaka is 2 hours ahead of Hanoi, which gives you 4 hours of genuine overlap when both sides are free. Aim for between 6 pm and 10 pm in Osaka — that lands at 4 pm to 8 pm in Hanoi, after the school run and before anyone's ready for bed. For a Sunday catch-up or a midweek check-in, this is the sweet spot.
Shōwa Day
昭和の日
Constitution Memorial Day
憲法記念日
Greenery Day
みどりの日
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Reunification Day
Ngày Giải phóng miền Nam, thống nhất đất nước
Labour Day
Ngày Quốc tế lao động
National Day
Quốc khánh
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