Tokyo
Sydney
Convert JST to AEST
Japan Standard Time to Australian Eastern Standard Time — Sydney is 1 hour ahead of Tokyo
Quick Facts
Time Difference
+1 hours
JST Full Name
Japan Standard Time
AEST Full Name
Australian Eastern Standard Time
JST to AEST Conversion Table
Related Conversions
About JST and AEST Time Zones
JST (Japan Standard Time) is UTC+9 and covers cities like Tokyo, Osaka, Kyoto. AEST (Australian Eastern Standard Time) is UTC+10 and covers cities like Sydney, Melbourne, Brisbane.
When it's 12:00 PM (noon) in Tokyo (JST), it's 1:00 PM in Sydney (AEST). The time difference between JST and AEST is 1 hour — Sydney is ahead of Tokyo.
With only a 1-hour difference, Tokyo and Sydney share nearly a full business day overlap, making scheduling straightforward.
Daylight Saving Time
AEST observes Daylight Saving Time and becomes AEDT (Australian Eastern Daylight Time) during summer months, shifting clocks forward by 1 hour to UTC+11.
During DST transitions, the time difference between JST and AEST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Tokyo and Sydney with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between JST and AEST?
Sydney (AEST) is 1 hour ahead of Tokyo (JST). The offset is +1 hours.
Is AEST ahead or behind JST?
AEST is 1 hour ahead of JST. JST is UTC+9 and AEST is UTC+10.
When it's 12:00 PM in Tokyo, what time is it in Sydney?
When it's 12:00 PM (noon) in Tokyo (JST), it's 1:00 PM in Sydney (AEST).
When it's 5:00 PM in Tokyo, what time is it in Sydney?
When it's 5:00 PM in Tokyo (JST), it's 6:00 PM in Sydney (AEST).
Does AEST change for Daylight Saving Time?
Yes. AEST (Australian Eastern Standard Time, UTC+10) becomes AEDT (Australian Eastern Daylight Time, UTC+11) in summer, shifting clocks forward 1 hour.