Question 1

What is the time difference between GMT and AEST?

Accepted Answer

Australian Eastern Standard Time (AEST) is 11 hours ahead of Greenwich Mean Time (GMT). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert GMT to AEST?

Accepted Answer

To convert GMT to AEST, add 11 hours to the GMT time. For example, 9:00 AM GMT is 8:00 PM AEST.

Question 3

What time is it in AEST when it's noon in GMT?

Accepted Answer

When it's 12:00 PM (noon) in GMT, it's 11:00 PM in AEST. AEST is 11 hours ahead of GMT.

Question 4

How many hours ahead is AEST from GMT?

Accepted Answer

AEST is 11 hours ahead of GMT. This means when it's 9:00 AM in GMT, it's 8:00 PM in AEST.

Question 5

Is AEST ahead or behind GMT?

Accepted Answer

AEST is ahead of GMT by 11 hours. Clocks in AEST show a later time than GMT.

Question 6

Does GMT observe daylight saving time?

Accepted Answer

Yes, Greenwich Mean Time observes daylight saving time. During DST, the abbreviation changes to BST and clocks move forward by one hour.

Question 7

Does AEST observe daylight saving time?

Accepted Answer

Yes, Australian Eastern Standard Time observes daylight saving time. During DST, the abbreviation changes to AEDT and clocks move forward by one hour.

Question 8

What is the best time to call from GMT to AEST?

Accepted Answer

The best time for a call between GMT and AEST is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in GMT?

Accepted Answer

Daylight saving time transitions vary by year and region. Greenwich Mean Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between GMT and AEST may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do GMT and AEST ever have the same time?

Accepted Answer

No, GMT and AEST are always 11 hours apart. Both timezones observe DST, so the difference remains consistent.

Greenwich Mean Time (GMT)	Period	Australian Eastern Standard Time (AEDT)	Period
12:00 AM	Night	11:00 AM	Business
1:00 AM	Night	12:00 PM	Business
2:00 AM	Night	1:00 PM	Business
3:00 AM	Night	2:00 PM	Business
4:00 AM	Night	3:00 PM	Business
5:00 AM	Night	4:00 PM	Business
6:00 AM	Morning	5:00 PM	Business
7:00 AM	Morning	6:00 PM	Evening
8:00 AM	Morning	7:00 PM	Evening
9:00 AM	Business	8:00 PM	Evening
10:00 AM	Business	9:00 PM	Evening
11:00 AM	Business	10:00 PM	Evening
12:00 PM	Business	11:00 PM	Evening
1:00 PM	Business	12:00 AM+1d	Night
2:00 PM	Business	1:00 AM+1d	Night
3:00 PM	Business	2:00 AM+1d	Night
4:00 PM	Business	3:00 AM+1d	Night
5:00 PM	Business	4:00 AM+1d	Night
6:00 PM	Evening	5:00 AM+1d	Night
7:00 PM	Evening	6:00 AM+1d	Morning
8:00 PM	Evening	7:00 AM+1d	Morning
9:00 PM	Evening	8:00 AM+1d	Morning
10:00 PM	Evening	9:00 AM+1d	Business
11:00 PM	Evening	10:00 AM+1d	Business

GMT to AEST Converter

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