JST to Sydney Time Converter
Convert Japan Standard Time to Sydney instantly.
Scroll the timeline to check any hour of the day.
Japan Standard Time
JST
5:27
Sydney
AEST
6:27
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How the JST to Sydney time difference works
Sydney is 1 hour ahead of JST. Japan Standard Time (JST) is the time zone of Japan. Sydney (AEST) is a city in Australia. For example, 9:00 AM JST is 10:00 AM Sydney. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
1 hour
Daylight saving
Sydney only
JST offset
UTC+9
Sydney offset
UTC+10
JST to Sydney conversion chart
| Japan Standard Time (JST) | Sydney (AEST) |
|---|---|
| 12:00 AM | 1:00 AM |
| 1:00 AM | 2:00 AM |
| 2:00 AM | 3:00 AM |
| 3:00 AM | 4:00 AM |
| 4:00 AM | 5:00 AM |
| 5:00 AM | 6:00 AM |
| 6:00 AM | 7:00 AM |
| 7:00 AM | 8:00 AM |
| 8:00 AM | 9:00 AM |
| 9:00 AM | 10:00 AM |
| 10:00 AM | 11:00 AM |
| 11:00 AM | 12:00 PM |
| 12:00 PM | 1:00 PM |
| 1:00 PM | 2:00 PM |
| 2:00 PM | 3:00 PM |
| 3:00 PM | 4:00 PM |
| 4:00 PM | 5:00 PM |
| 5:00 PM | 6:00 PM |
| 6:00 PM | 7:00 PM |
| 7:00 PM | 8:00 PM |
| 8:00 PM | 9:00 PM |
| 9:00 PM | 10:00 PM |
| 10:00 PM | 11:00 PM |
| 11:00 PM | 12:00 AM +1 day |
Best time to meet
A standard 9 to 5 workday overlaps from 9:00 AM to 4:00 PM JST (10:00 AM to 5:00 PM Sydney). Schedule inside that window to catch both coasts during business hours.
Cities in each time zone
Japan Standard Time (JST)
TokyoOsakaYokohamaNagoyaSapporo
Sydney (AEST)
CanberraAustralian Eastern Time
JST to Sydney questions
Is Sydney ahead of or behind JST?
Sydney is 1 hour ahead of JST. So 9:00 AM JST is 10:00 AM Sydney, and 5:00 PM JST is 6:00 PM Sydney.
What time is it in Sydney when it is 12:00 PM JST?
When it is 12:00 PM (noon) JST in Japan Standard Time, it is 1:00 PM Sydney in Sydney.
How many hours difference is there between JST and Sydney?
There is a 1 hour difference. Sydney (AEST) runs 1 hour ahead of Japan Standard Time (JST).
Do JST and Sydney observe daylight saving time?
Sydney observes daylight saving time but Japan Standard Time does not, so the difference between them changes by an hour twice a year.
What is the best time to schedule a meeting between JST and Sydney?
A standard 9-to-5 workday overlaps from 9:00 AM to 4:00 PM JST (10:00 AM to 5:00 PM Sydney). Scheduling inside that window keeps the call during business hours in both Japan Standard Time and Sydney.
Which cities use JST and Sydney?
Japan Standard Time (JST) covers cities such as Tokyo, Osaka, Yokohama, Nagoya, Sapporo. Sydney (AEST) covers cities such as Canberra, Australian Eastern Time.