There is no overlap between 09:00–18:00 working days in these two places.
How many hours is UTC behind AEDT?
As abbreviations, AEDT is always 11 hours ahead of UTC: UTC is UTC+0 and AEDT is UTC+11. To convert, add 11 hours.
When the UTC to AEDT time difference changes
For most of the year AEDT is 10 hours ahead of UTC. From 4 October to 31 December 2026, AEDT is 11 hours ahead of UTC instead, because the two places change their clocks on different dates. Meetings booked by the usual gap land an hour off in those weeks.
Dates
AEDT vs UTC
Length
4 October 2026 to 31 December 2026
11 hours ahead
89 days
1 January 2027 to 3 April 2027
11 hours ahead
93 days
4 April 2027 to 2 October 2027
10 hours ahead
182 days
3 October 2027 to 31 December 2027
11 hours ahead
90 days
When UTC and AEDT are both at work
When AEDT is 10 hours ahead of UTC: no shared 09:00 to 17:00 hours; try 07:00 in UTC (17:00 in AEDT).
When AEDT is 11 hours ahead of UTC: no shared 09:00 to 17:00 hours; try 07:00 in UTC (18:00 in AEDT).
Frequently asked questions about UTC and AEDT time
How many hours ahead is AEDT of UTC?
AEDT (UTC+11) is 11 hours ahead of UTC (UTC+0).
Does the time difference between UTC and AEDT change?
Yes. It is usually 10 hours ahead, but changes when one side moves its clocks: 11 hours ahead from 4 October to 31 December 2026; 11 hours ahead from 1 January to 3 April 2027.