What is the time difference between AEST and GMT?

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

What is 9 AM AEST in GMT?

9 AM AEST is 10 PM GMT (previous day).

What are the best meeting times between AEST and GMT?

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

AEST to GMT Time Conversion

Australian Eastern Standard Time → Greenwich Mean Time

AEST

UTC+10

Australian Eastern Standard Time

offset

-10h

GMT is 10h behind

GMT

UTC+0

Greenwich Mean Time

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

Australian Eastern Standard Time (AEST) is 10 hours behind Greenwich Mean Time (GMT). When it is noon in AEST, it is 1 AM in GMT. This offset may change during Daylight Saving Time.

Meeting planner tool Reverse: GMT to AEST

All 24 Hours — AEST to GMT

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 — AEST to GMT

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