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AET to JST time converter
Japan is 2 hours behind Sydney for 183 days of 2026, and 1 hours behind for the other 182 days, because daylight saving changes the gap.
AET to JST conversion table
Local time in Sydney and the matching time in Japan on two reference dates, one in winter and one in summer for the northern hemisphere.
| Sydney (AET) | Japan on 15 January | Japan on 15 July |
|---|---|---|
| 08:00 | 06:00 | 07:00 |
| 09:00 | 07:00 | 08:00 |
| 10:00 | 08:00 | 09:00 |
| 12:00 | 10:00 | 11:00 |
| 15:00 | 13:00 | 14:00 |
| 17:00 | 15:00 | 16:00 |
| 18:00 | 16:00 | 17:00 |
| 21:00 | 19:00 | 20:00 |
Best meeting times between Sydney and Japan
- January: Inside both working days (09:00-17:00): 11:00-17:00 AET = 09:00-15:00 JST.
- July: Inside both working days (09:00-17:00): 10:00-17:00 AET = 09:00-16:00 JST.
Want to add more people? The meeting planner starts with these two zones and lets you add up to four more.
Daylight saving between AET and JST
- Sydney moves its clocks back on 5 April and forward on 4 October in 2026.
- Japan does not change its clocks in 2026.
- The gap is 2 hours for 183 days and 1 hours for 182 days of 2026.
About the two zones
Sydney. Sydney is on AEST (UTC+10) in winter and AEDT (UTC+11) in summer. Because it is in the southern hemisphere, its summer time runs from October to April, the opposite of Europe and North America.
Japan. Japan Standard Time is UTC+9 all year with no daylight saving.
Frequently asked questions
What time is 9 AM AET in JST?
On 15 January, 09:00 in Sydney is 07:00 in Japan. On 15 July it is 08:00.
What is the time difference between Sydney and Japan?
Japan is 2 hours behind Sydney for 183 days of 2026, and 1 hours behind for the other 182 days, because daylight saving changes the gap.
Does the time difference between AET and JST change during the year?
Yes. Sydney changes its clocks and Japan does not, so the gap moves between 2 and 1 hours. Always convert with the actual date.
When is the best time for a meeting between Sydney and Japan?
Inside both working days (09:00-17:00): 11:00-17:00 AET = 09:00-15:00 JST. In July: Inside both working days (09:00-17:00): 10:00-17:00 AET = 09:00-16:00 JST.
More conversions
Need the time in a scheduler? Convert a local-time cron schedule to UTC, or see which jobs a clock change affects with the DST collision simulator.