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JST to AEST Converter

AEST is 1 hour ahead of JST

Current JST Time
--:--:-- --
Asia/Tokyo
Current AEST Time
--:--:-- --
Australia/Sydney
Time Diff
1h ahead
JST
UTC+9
AEST
UTC+10
Overlapping hours: 9:00 AM – 4:00 PM JST (7h)

JST to AEST Conversion Table

Green rows indicate standard business hours (9 AM – 5 PM) in AEST

JST to AEST time conversion table showing all 24 hours
JST 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 +1d

Converting Japan Standard Time to Australian Eastern Standard Time

Japan Standard Time (JST) and Australian Eastern Standard Time (AEST) are separated by a 1 hour time difference. AEST is 1 hour ahead of JST. JST is UTC+9, used in Japan, while AEST is UTC+10, used in Australia.

When converting from JST to AEST, the key reference points to remember are: 9:00 AM JST equals 10:00 AM AEST, 12:00 PM noon JST equals 1:00 PM AEST, and 5:00 PM JST equals 6:00 PM AEST. The conversion table above shows every hour of the day mapped between these two time zones.

Scheduling Across JST and AEST

For professionals scheduling meetings between JST and AEST, finding overlapping business hours is essential. Standard business hours are typically 9:00 AM to 5:00 PM in each time zone. Given the 1 hour difference, the window of overlap may be limited. Use the highlighted working hours in the conversion table above to quickly identify suitable meeting times.

Daylight Saving Time Considerations

JST does not observe Daylight Saving Time, maintaining UTC+9 year-round. AEST observes DST, switching to AEDT (UTC+11). During DST transitions, the time difference between these zones may temporarily change by 1 hour. Always verify the current offset during spring and fall transition periods.

Frequently Asked Questions

What is the time difference between JST and AEST?
Australian Eastern Standard Time (AEST) is 1 hour ahead of Japan Standard Time (JST). When it is 12:00 PM noon in JST, it is 1:00 PM in AEST.
How do I convert JST to AEST?
To convert JST to AEST, add 1 hour to the JST time. For example, 9:00 AM JST is 10:00 AM AEST. Use the conversion table above for a quick reference of all 24 hours.
Does JST or AEST observe Daylight Saving Time?
JST does not observe Daylight Saving Time. AEST observes DST, switching to AEDT (UTC+11). During DST transitions, the time difference between these zones may change by 1 hour.
What is the best time to schedule a call between JST and AEST?
The best time to schedule a call between JST and AEST is during overlapping business hours. If you are in JST, try scheduling between 9:00 AM and 5:00 PM your time, then check the conversion table above to see what that corresponds to in AEST.
Is JST ahead or behind AEST?
JST (UTC+9) is 1 hour behind AEST (UTC+10). JST corresponds to the IANA time zone Asia/Tokyo, while AEST corresponds to Australia/Sydney.

Related Conversions

Cities in These Time Zones

Time Zone Info