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GMT to AEST converter
Greenwich Mean Time
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Australian Eastern Time
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Australian Eastern Time is 10 hours ahead of Greenwich Mean Time for most of the year, and 11 hours ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
When does the difference change?
In 2026:
- January 1 to April 4: Australian Eastern Time is 11 hours ahead of Greenwich Mean Time
- April 5 to October 3: Australian Eastern Time is 10 hours ahead of Greenwich Mean Time
- October 4 to December 31: Australian Eastern Time is 11 hours ahead of Greenwich Mean Time
Questions
What time is 9 AM GMT in AEST?
For most of the year, 9 AM Greenwich Mean Time is 7 PM Australian Eastern Time. For part of the year it is 8 PM, because of daylight saving time.
How many hours ahead or behind is AEST from GMT?
Australian Eastern Time is 10 hours ahead of Greenwich Mean Time for most of the year, and 11 hours ahead of for part of it, because the two change their clocks on different dates (or only one of them changes at all).
Does the GMT to AEST difference change?
Yes. It changes 2 times in 2026 because of daylight saving time.
About these time zones
GMT to AEST, hour by hour
| Greenwich Mean Time | Australian Eastern Time |
|---|---|
| 12 AM | 11 AM |
| 1 AM | 12 PM |
| 2 AM | 1 PM |
| 3 AM | 2 PM |
| 4 AM | 3 PM |
| 5 AM | 4 PM |
| 6 AM | 5 PM |
| 7 AM | 6 PM |
| 8 AM | 7 PM |
| 9 AM | 8 PM |
| 10 AM | 9 PM |
| 11 AM | 10 PM |
| 12 PM | 11 PM |
| 1 PM | 12 AM (next day) |
| 2 PM | 1 AM (next day) |
| 3 PM | 2 AM (next day) |
| 4 PM | 3 AM (next day) |
| 5 PM | 4 AM (next day) |
| 6 PM | 5 AM (next day) |
| 7 PM | 6 AM (next day) |
| 8 PM | 7 AM (next day) |
| 9 PM | 8 AM (next day) |
| 10 PM | 9 AM (next day) |
| 11 PM | 10 AM (next day) |
Based on the clocks on Monday, October 12, 2026. Use the converter above for another date.