Sydney
Tokyo
Convert AEST to JST
Australian Eastern Standard Time to Japan Standard Time — Tokyo is 1 hour behind Sydney
Quick Facts
Time Difference
-1 hours
AEST Full Name
Australian Eastern Standard Time
JST Full Name
Japan Standard Time
AEST to JST Conversion Table
Related Conversions
About AEST and JST Time Zones
AEST (Australian Eastern Standard Time) is UTC+10 and covers cities like Sydney, Melbourne, Brisbane. JST (Japan Standard Time) is UTC+9 and covers cities like Tokyo, Osaka, Kyoto.
When it's 12:00 PM (noon) in Sydney (AEST), it's 11:00 AM in Tokyo (JST). The time difference between AEST and JST is 1 hour — Tokyo is behind Sydney.
With only a 1-hour difference, Sydney and Tokyo 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 AEST and JST may shift by ±1 hour. Always verify the current offset above for the most accurate conversion.
Use our world clock tool to compare Sydney and Tokyo with a visual timeline, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between AEST and JST?
Tokyo (JST) is 1 hour behind Sydney (AEST). The offset is -1 hours.
Is JST ahead or behind AEST?
JST is 1 hour behind AEST. AEST is UTC+10 and JST is UTC+9.
When it's 12:00 PM in Sydney, what time is it in Tokyo?
When it's 12:00 PM (noon) in Sydney (AEST), it's 11:00 AM in Tokyo (JST).
When it's 5:00 PM in Sydney, what time is it in Tokyo?
When it's 5:00 PM in Sydney (AEST), it's 4:00 PM in Tokyo (JST).
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.