AEST to GMT converter
GMT is usually 11 h behind AEST. It is 10 h behind AEST 4 Apr–3 Oct 2026, because of daylight saving time.
AEST to GMT table
For 4 July 2026, when GMT is 10 h behind AEST. Other dates: see the table on the right.
| AEST | GMT |
|---|---|
| 12:00 AM | 2:00 PM prev. day |
| 1:00 AM | 3:00 PM prev. day |
| 2:00 AM | 4:00 PM prev. day |
| 3:00 AM | 5:00 PM prev. day |
| 4:00 AM | 6:00 PM prev. day |
| 5:00 AM | 7:00 PM prev. day |
| 6:00 AM | 8:00 PM prev. day |
| 7:00 AM | 9:00 PM prev. day |
| 8:00 AM | 10:00 PM prev. day |
| 9:00 AM | 11:00 PM prev. day |
| 10:00 AM | 12:00 AM |
| 11:00 AM | 1:00 AM |
| 12:00 PM | 2:00 AM |
| 1:00 PM | 3:00 AM |
| 2:00 PM | 4:00 AM |
| 3:00 PM | 5:00 AM |
| 4:00 PM | 6:00 AM |
| 5:00 PM | 7:00 AM |
| 6:00 PM | 8:00 AM |
| 7:00 PM | 9:00 AM |
| 8:00 PM | 10:00 AM |
| 9:00 PM | 11:00 AM |
| 10:00 PM | 12:00 PM |
| 11:00 PM | 1:00 PM |
When the difference changes
Computed from the IANA tz database (release 2026c). Governments can change these rules; the live converter uses your browser’s own copy of the database.
| 2026: from (UTC) | until (UTC) | GMT vs AEST |
|---|---|---|
| 1 January 2026 | 4 April 2026 | 11 h behind |
| 4 April 2026 | 3 October 2026 | 10 h behind |
| 3 October 2026 | 31 December 2026 | 11 h behind |
| 2027: from (UTC) | until (UTC) | GMT vs AEST |
|---|---|---|
| 1 January 2027 | 3 April 2027 | 11 h behind |
| 3 April 2027 | 2 October 2027 | 10 h behind |
| 2 October 2027 | 31 December 2027 | 11 h behind |
AEST: Australian Eastern Time · AEST time now
Queensland (Brisbane) uses AEST all year; New South Wales, Victoria, the ACT and Tasmania switch to AEDT (UTC+11) from October to April.
GMT: Greenwich Mean Time · GMT time now
GMT here means the fixed UTC+0 offset. The UK only uses GMT in winter; in summer London is on BST (UTC+1).
Related converters
Questions
What is the time difference between AEST and GMT?
GMT is usually 11 h behind AEST. It is 10 h behind AEST 4 Apr–3 Oct 2026, because of daylight saving time.
What is 9 am AEST in GMT?
9:00 am AEST is 11:00 PM GMT the previous day, on dates when the usual difference applies. Use the converter above for any specific date.
Which AEST does this page use?
Queensland (Brisbane) uses AEST all year; New South Wales, Victoria, the ACT and Tasmania switch to AEDT (UTC+11) from October to April.
Which GMT does this page use?
GMT here means the fixed UTC+0 offset. The UK only uses GMT in winter; in summer London is on BST (UTC+1).