What is the time difference between Tokyo and Sydney?

Tokyo is UTC+9 year-round. Sydney is UTC+10 (AEST) in winter (April–October) and UTC+11 (AEDT) in summer (October–April, Southern Hemisphere summer). The gap is one hour when Sydney is on AEST and two hours when on AEDT.

What is the best meeting time for Tokyo and Sydney?

With a gap of only one or two hours, almost the entire standard business day overlaps. The most convenient window is 9 AM–5 PM in whichever city is “behind.” Tokyo being ahead means a 9 AM Tokyo call is 10–11 AM Sydney depending on the season.

Does Japan observe daylight saving time?

No. Japan is fixed at UTC+9 year-round. Only Sydney’s clock changes, which means the one- or two-hour gap between Tokyo and Sydney fluctuates entirely because of Australia’s DST transitions.

Best Meeting Times Between Tokyo and Sydney

July 4, 2026

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Best Time to MeetFind the best meeting time for Tokyo and Sydney.
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Frequently Asked Questions

What is the time difference between Tokyo and Sydney?: Tokyo is UTC+9 year-round. Sydney is UTC+10 (AEST) in winter (April–October) and UTC+11 (AEDT) in summer (October–April, Southern Hemisphere summer). The gap is one hour when Sydney is on AEST and two hours when on AEDT.
What is the best meeting time for Tokyo and Sydney?: With a gap of only one or two hours, almost the entire standard business day overlaps. The most convenient window is 9 AM–5 PM in whichever city is “behind.” Tokyo being ahead means a 9 AM Tokyo call is 10–11 AM Sydney depending on the season.
Does Japan observe daylight saving time?: No. Japan is fixed at UTC+9 year-round. Only Sydney’s clock changes, which means the one- or two-hour gap between Tokyo and Sydney fluctuates entirely because of Australia’s DST transitions.