What is the time difference between JST and AEST?

JST is 1 hour ahead AEST. JST is UTC+9 and AEST is UTC+10.

What are the best meeting times between JST and AEST?

Best overlap hours: 8 AM JST = 10 AM AEST; 9 AM JST = 11 AM AEST; 10 AM JST = 12 PM AEST; 11 AM JST = 1 PM AEST; 12 PM JST = 2 PM AEST.

JST to AEST Time Conversion

Japan Standard Time → Australian Eastern Standard Time

JST

UTC+9

Japan Standard Time

offset

+1h

AEST is 1h ahead

AEST

UTC+10

Australian Eastern Standard Time

AEST observes DST — offset shifts ±1h during transitions

Japan Standard Time (JST) is 1 hour ahead Australian Eastern Standard Time (AEST). When it is noon in JST, it is 2 PM in AEST. This offset may change during Daylight Saving Time.

Meeting planner tool Reverse: AEST to JST

All 24 Hours — JST to AEST

Click any row to see the full detail page for that hour

Both business hoursPartial overlapOff hours

12 AM6 AM12 PM6 PM11 PM

Frequently Asked Questions — JST to AEST

Japan Standard Time (JST) is 1 hour ahead of Australian Eastern Standard Time (AEST). JST is UTC+9 and AEST is UTC+10. This offset may shift by ±1 hour during Daylight Saving Time transitions.