GMT to AEST Time Converter
Convert Greenwich Mean Time to Australian Eastern Time instantly.
Scroll the timeline to check any hour of the day.
Greenwich Mean Time
GMT
6:06
Australian Eastern Time
AEST
4:06
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How the GMT to AEST time difference works
AEST is 10 hours ahead of GMT. Greenwich Mean Time (GMT) is the fixed UTC+0 reference time, used by the United Kingdom and Ireland in winter. Australian Eastern Time (AEST) is the time zone of eastern Australia. For example, 9:00 AM GMT is 7:00 PM AEST. Scroll the timeline above to convert any moment, or use the chart below for a quick reference.
Time difference
10 hours
Daylight saving
AEST only
GMT offset
UTC+0
AEST offset
UTC+10
GMT to AEST conversion chart
| Greenwich Mean Time (GMT) | Australian Eastern Time (AEST) |
|---|---|
| 12:00 AM | 10:00 AM |
| 1:00 AM | 11:00 AM |
| 2:00 AM | 12:00 PM |
| 3:00 AM | 1:00 PM |
| 4:00 AM | 2:00 PM |
| 5:00 AM | 3:00 PM |
| 6:00 AM | 4:00 PM |
| 7:00 AM | 5:00 PM |
| 8:00 AM | 6:00 PM |
| 9:00 AM | 7:00 PM |
| 10:00 AM | 8:00 PM |
| 11:00 AM | 9:00 PM |
| 12:00 PM | 10:00 PM |
| 1:00 PM | 11:00 PM |
| 2:00 PM | 12:00 AM +1 day |
| 3:00 PM | 1:00 AM +1 day |
| 4:00 PM | 2:00 AM +1 day |
| 5:00 PM | 3:00 AM +1 day |
| 6:00 PM | 4:00 AM +1 day |
| 7:00 PM | 5:00 AM +1 day |
| 8:00 PM | 6:00 AM +1 day |
| 9:00 PM | 7:00 AM +1 day |
| 10:00 PM | 8:00 AM +1 day |
| 11:00 PM | 9:00 AM +1 day |
Cities in each time zone
Greenwich Mean Time (GMT)
LondonDublinLisbonEdinburghManchester
Australian Eastern Time (AEST)
SydneyMelbourneBrisbaneCanberraGold Coast
GMT to AEST questions
Is AEST ahead of or behind GMT?
AEST is 10 hours ahead of GMT. So 9:00 AM GMT is 7:00 PM AEST, and 5:00 PM GMT is 3:00 AM AEST.
What time is it in AEST when it is 12:00 PM GMT?
When it is 12:00 PM (noon) GMT in Greenwich Mean Time, it is 10:00 PM AEST in Australian Eastern Time.
How many hours difference is there between GMT and AEST?
There is a 10 hours difference. Australian Eastern Time (AEST) runs 10 hours ahead of Greenwich Mean Time (GMT).
Do GMT and AEST observe daylight saving time?
Australian Eastern Time observes daylight saving time but Greenwich Mean Time does not, so the difference between them changes by an hour twice a year. The United Kingdom and Ireland use GMT only in winter; from late March to late October they switch to British Summer Time (BST), one hour ahead of GMT.
What is the best time to schedule a meeting between GMT and AEST?
A standard 9-to-5 workday in Greenwich Mean Time and Australian Eastern Time does not overlap, so pick the early morning in the later zone or the late evening in the earlier zone.
Which cities use GMT and AEST?
Greenwich Mean Time (GMT) covers cities such as London, Dublin, Lisbon, Edinburgh, Manchester. Australian Eastern Time (AEST) covers cities such as Sydney, Melbourne, Brisbane, Canberra, Gold Coast.