How many hours is CET behind AEDT?
As abbreviations, AEDT is always 10 hours ahead of CET: CET is UTC+1 and AEDT is UTC+11. To convert, add 10 hours.
When the CET to AEDT time difference changes
For most of the year AEDT is 8 hours ahead of CET. From 25 October to 31 December 2026, AEDT is 10 hours ahead of CET 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 CET | Length |
|---|---|---|
| 25 October 2026 to 31 December 2026 | 10 hours ahead | 68 days |
| 1 January 2027 to 27 March 2027 | 10 hours ahead | 86 days |
| 28 March 2027 to 3 April 2027 | 9 hours ahead | 7 days |
| 4 April 2027 to 2 October 2027 | 8 hours ahead | 182 days |
| 3 October 2027 to 30 October 2027 | 9 hours ahead | 28 days |
| 31 October 2027 to 31 December 2027 | 10 hours ahead | 62 days |
When CET and AEDT are both at work
- When AEDT is 8 hours ahead of CET: no shared 09:00 to 17:00 hours; try 09:00 in CET (17:00 in AEDT).
- When AEDT is 10 hours ahead of CET: no shared 09:00 to 17:00 hours; try 07:00 in CET (17:00 in AEDT).
- When AEDT is 9 hours ahead of CET: no shared 09:00 to 17:00 hours; try 08:00 in CET (17:00 in AEDT).