CET to ACST Time Converter
ACST is 9 hours 30 minutes ahead of CET right now. 9:00 AM in CET is 6:30 PM in ACST.
Time now: CET and ACST
ACST is 9 hours 30 minutes ahead of CET right now. The gap is not fixed: it is 7 hours 30 minutes at some times of the year and 9 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.
CET to ACST conversion table
Every hour of the day, using today's time difference.
| CET | ACST |
|---|---|
| 12:00 AM | 9:30 AM |
| 1:00 AM | 10:30 AM |
| 2:00 AM | 11:30 AM |
| 3:00 AM | 12:30 PM |
| 4:00 AM | 1:30 PM |
| 5:00 AM | 2:30 PM |
| 6:00 AM | 3:30 PM |
| 7:00 AM | 4:30 PM |
| 8:00 AM | 5:30 PM |
| 9:00 AM | 6:30 PM |
| 10:00 AM | 7:30 PM |
| 11:00 AM | 8:30 PM |
| 12:00 PM | 9:30 PM |
| 1:00 PM | 10:30 PM |
| 2:00 PM | 11:30 PM |
| 3:00 PM | 12:30 AMnext day |
| 4:00 PM | 1:30 AMnext day |
| 5:00 PM | 2:30 AMnext day |
| 6:00 PM | 3:30 AMnext day |
| 7:00 PM | 4:30 AMnext day |
| 8:00 PM | 5:30 AMnext day |
| 9:00 PM | 6:30 AMnext day |
| 10:00 PM | 7:30 AMnext day |
| 11:00 PM | 8:30 AMnext day |
Best time to meet between CET and ACST
There is no overlap between 9 AM and 6 PM in both places.
If both sides can be flexible (7 AM – 10 PM):
- 7:00 AM – 1:00 PM CET = 4:30 PM – 10:30 PM ACST
The time difference changes during the year because of daylight saving time, so these windows shift by an hour at other times.
Does the time difference between CET and ACST change?
Yes. Right now ACST is 9 hours 30 minutes ahead of CET. These are the dates in the next 12 months when the gap changes:
- Sunday, 28 March 2027: CET moves its clocks forward. ACST is 8 hours 30 minutes ahead of CET from then (it was 9 hours 30 minutes before).
- Sunday, 4 April 2027: ACST moves its clocks back. ACST is 7 hours 30 minutes ahead of CET from then (it was 8 hours 30 minutes before).
- Sunday, 3 October 2027: ACST moves its clocks forward. ACST is 8 hours 30 minutes ahead of CET from then (it was 7 hours 30 minutes before).
- Sunday, 31 October 2027: CET moves its clocks back. ACST is 9 hours 30 minutes ahead of CET from then (it was 8 hours 30 minutes before).
Office hours in each other's time
- 9 AM to 6 PM in CET is 6:30 PM to 3:30 AM (next day) in ACST.
- 9 AM to 6 PM in ACST is 11:30 PM (previous day) to 8:30 AM in CET.
Based on today's clock settings.
Frequently asked questions
What is the time difference between CET and ACST?
ACST is 9 hours 30 minutes ahead of CET right now. The gap is not fixed: it is 7 hours 30 minutes at some times of the year and 9 hours 30 minutes at others, because at least one of them changes its clocks for daylight saving time.
How do I convert CET to ACST?
Add 9 hours 30 minutes to the CET time to get the ACST time (at today's difference). 9:00 AM in CET is 6:30 PM in ACST. Or use the converter above and pick any date and time.
What is the current time in ACST?
It is 10:28 AM in ACST on Tuesday, November 10 (the converter above shows it live). At the same moment it is 12:58 AM in CET.
Does the time difference between CET and ACST change during the year?
Yes. Right now ACST is 9 hours 30 minutes ahead of CET. Over the next 12 months the gap changes 4 times: Sunday, 28 March 2027: CET moves its clocks forward. ACST is 8 hours 30 minutes ahead of CET from then (it was 9 hours 30 minutes before). Sunday, 4 April 2027: ACST moves its clocks back. ACST is 7 hours 30 minutes ahead of CET from then (it was 8 hours 30 minutes before). Sunday, 3 October 2027: ACST moves its clocks forward. ACST is 8 hours 30 minutes ahead of CET from then (it was 7 hours 30 minutes before). Sunday, 31 October 2027: CET moves its clocks back. ACST is 9 hours 30 minutes ahead of CET from then (it was 8 hours 30 minutes before).
What is the best time for a meeting between CET and ACST?
The two places have no shared working hours (9 AM – 6 PM). The nearest option is 7:00 AM – 1:00 PM CET = 4:30 PM – 10:30 PM ACST.
What does CET mean?
Central European Time is CET (UTC+01:00) in winter and CEST (UTC+02:00) in summer.