What is the time difference between GMT and AEST?

GMT is 10 hours ahead AEST. GMT is UTC+0 and AEST is UTC+10.

What is 12 PM GMT in AEST?

12 PM GMT (noon) is 11 PM AEST.

What are the best meeting times between GMT and AEST?

There is no standard business hours overlap between GMT and AEST.

GMT to AEST Time Conversion

Greenwich Mean Time → Australian Eastern Standard Time

GMT

UTC+0

Greenwich Mean Time

offset

+10h

AEST is 10h ahead

AEST

UTC+10

Australian Eastern Standard Time

Both GMT and AEST observe DST — offset may shift ±1h during transitions

Greenwich Mean Time (GMT) is 10 hours ahead Australian Eastern Standard Time (AEST). When it is noon in GMT, it is 11 PM in AEST. This offset may change during Daylight Saving Time.

Meeting planner tool Reverse: AEST to GMT

All 24 Hours — GMT 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 — GMT to AEST

Greenwich Mean Time (GMT) is 10 hours ahead of Australian Eastern Standard Time (AEST). GMT is UTC+0 and AEST is UTC+10. This offset may shift by ±1 hour during Daylight Saving Time transitions.