GMT to AEST Time Converter
Compare GMT and AEST instantly. The clocks below stay in sync with the IANA time-zone database, so daylight-saving transitions are handled automatically for both GMT and Sydney.
24-Hour Comparison Timeline
Green = working hours · Yellow = early/late · Red = night
24-hour reference table
| GMT (GMT) | AEST (Sydney) |
|---|---|
| 12:00 AM | 10:00 AM |
| 01:00 AM | 11:00 AM |
| 02:00 AM | 12:00 PM |
| 03:00 AM | 01:00 PM |
| 04:00 AM | 02:00 PM |
| 05:00 AM | 03:00 PM |
| 06:00 AM | 04:00 PM |
| 07:00 AM | 05:00 PM |
| 08:00 AM | 06:00 PM |
| 09:00 AM | 07:00 PM |
| 10:00 AM | 08:00 PM |
| 11:00 AM | 09:00 PM |
| 12:00 PM | 10:00 PM |
| 01:00 PM | 11:00 PM |
| 02:00 PM | 12:00 AM(Sun, Jul 26) |
| 03:00 PM | 01:00 AM(Sun, Jul 26) |
| 04:00 PM | 02:00 AM(Sun, Jul 26) |
| 05:00 PM | 03:00 AM(Sun, Jul 26) |
| 06:00 PM | 04:00 AM(Sun, Jul 26) |
| 07:00 PM | 05:00 AM(Sun, Jul 26) |
| 08:00 PM | 06:00 AM(Sun, Jul 26) |
| 09:00 PM | 07:00 AM(Sun, Jul 26) |
| 10:00 PM | 08:00 AM(Sun, Jul 26) |
| 11:00 PM | 09:00 AM(Sun, Jul 26) |
Daylight saving time
Sydney observes daylight saving time; GMT does not. Expect a one-hour swing when Sydney starts or ends DST.
Working-hours overlap
Standard 9-to-5 hours in GMT and Sydney do not overlap. Use an early or late slot on one side.
Frequently asked questions
What is the time difference between GMT and AEST?+
AEST (UTC+10:00) is currently 10 hours ahead of GMT (UTC+00:00). This page recalculates the offset live from the IANA time-zone database, including any daylight-saving transitions.
Does GMT or AEST observe daylight saving time?+
Sydney observes daylight saving time; GMT does not, so the gap changes when Sydney springs forward or falls back. Times on this page always reflect the current local rules.
What are the best meeting hours between GMT and Sydney?+
Standard 9–5 working hours in GMT and Sydney do not overlap. Pick an early or late slot for one side, or use the 24-hour table above to find a time that works.
How do I quickly convert GMT to AEST?+
Use the live clocks and 24-hour reference table above. Pick any hour on the GMT row to see the matching AEST time. The Event Planner also lets you pick a specific date and share it with attendees.