CET to ACST
Converting a fixed time. Europe/Paris → Australia/Adelaide
Clocks go back 1 hour on Sunday, 25th October 2026, at 2:59 am local time (2:00 am after the change).
Clocks go forward 1 hour on Sunday, 4th October 2026, at 1:59 am local time (3:00 am after the change).
Convert a specific time minutes work, not just whole hours
Hour by hour
| CET | ACST | 24h | Good to call? |
|---|---|---|---|
| 12am | 7am | 00:00 → 07:30 | asleep in CET |
| 1am | 8am | 01:00 → 08:30 | asleep in CET |
| 2am | 9am | 02:00 → 09:30 | asleep in CET |
| 3am | 10am | 03:00 → 10:30 | asleep in CET |
| 4am | 11am | 04:00 → 11:30 | asleep in CET |
| 5am | 12pm | 05:00 → 12:30 | asleep in CET |
| 6am | 1pm | 06:00 → 13:30 | asleep in CET |
| 7am | 2pm | 07:00 → 14:30 | awake, not at work |
| 8am | 3pm | 08:00 → 15:30 | awake, not at work |
| 9am | 4pm | 09:00 → 16:30 | both at work |
| 10am | 5pm | 10:00 → 17:30 | awake, not at work |
| 11am | 6pm | 11:00 → 18:30 | awake, not at work |
| 12pm | 7pm | 12:00 → 19:30 | awake, not at work |
| 1pm | 8pm | 13:00 → 20:30 | awake, not at work |
| 2pm | 9pm | 14:00 → 21:30 | awake, not at work |
| 3pm | 10pm | 15:00 → 22:30 | asleep in ACST |
| 4pm | 11pm | 16:00 → 23:30 | asleep in ACST |
| 5pm | 12am Fri | 17:00 → 00:30 | asleep in ACST |
| 6pm | 1am Fri | 18:00 → 01:30 | asleep in ACST |
| 7pm | 2am Fri | 19:00 → 02:30 | asleep in ACST |
| 8pm | 3am Fri | 20:00 → 03:30 | asleep in ACST |
| 9pm | 4am Fri | 21:00 → 04:30 | asleep in ACST |
| 10pm now | 5am Fri | 22:00 → 05:30 | asleep in ACST |
| 11pm | 6am Fri | 23:00 → 06:30 | asleep in ACST |
Call times
Both places are at work between 9am and 10:00 in Paris — 4pm to 4pm at the other end.
7am
8am
9am
10am
11am
12pm
1pm
2pm
3pm
4pm
5pm
6pm
7pm
8pm
9pm
10pm
11pm
12am
1am
2am
3am
4am
5am
6am
Questions people ask
What time is it in ACST when it is 9:00 am in CET?
4:30 pm in ACST the same day.
How many hours ahead is ACST of CET?
ACST is 7 hours 30 minutes ahead CET. That gap is not fixed: it changes when either place starts or ends daylight saving. The table on this page is recalculated for today, so it is already correct for the current season.
What is the best time to call between CET and ACST?
Both places are at work between 9am and 10:00 in Paris — 4pm to 4pm at the other end.
When does the difference between CET and ACST change?
CET: Clocks go back 1 hour on Sunday, 25th October 2026, at 2:59 am local time (2:00 am after the change). ACST: Clocks go forward 1 hour on Sunday, 4th October 2026, at 1:59 am local time (3:00 am after the change).