Question 1

What is the time difference between ACST and CET?

Accepted Answer

Central European Time (CET) is 9 hours and 30 minutes behind Australian Central Standard Time (ACST). Use the conversion table above to see the exact time for each hour.

Question 2

How do I convert ACST to CET?

Accepted Answer

To convert ACST to CET, subtract 9 hours and 30 minutes from the ACST time. For example, 9:00 AM ACST is 11:30 PM CET.

Question 3

What time is it in CET when it's noon in ACST?

Accepted Answer

When it's 12:00 PM (noon) in ACST, it's 2:30 AM in CET. CET is 9 hours and 30 minutes behind ACST.

Question 4

How many hours behind is CET from ACST?

Accepted Answer

CET is 9 hours and 30 minutes behind ACST. This means when it's 9:00 AM in ACST, it's 11:30 PM in CET.

Question 5

Is CET ahead or behind ACST?

Accepted Answer

CET is behind ACST by 9 hours and 30 minutes. Clocks in CET show an earlier time than ACST.

Question 6

Does ACST observe daylight saving time?

Accepted Answer

Yes, Australian Central Standard Time observes daylight saving time. During DST, the abbreviation changes to ACDT and clocks move forward by one hour.

Question 7

Does CET observe daylight saving time?

Accepted Answer

Yes, Central European Time observes daylight saving time. During DST, the abbreviation changes to CEST and clocks move forward by one hour.

Question 8

What is the best time to call from ACST to CET?

Accepted Answer

The best time for a call between ACST and CET is during overlapping business hours (9 AM – 5 PM) in both timezones. Check the color-coded conversion table above — green hours indicate business hours in both zones.

Question 9

When does daylight saving time change in ACST?

Accepted Answer

Daylight saving time transitions vary by year and region. Australian Central Standard Time observes DST, which typically shifts clocks forward by one hour in spring and back in fall. During DST transitions, the time difference between ACST and CET may temporarily change. Check our DST change calendar for exact dates.

Question 10

Do ACST and CET ever have the same time?

Accepted Answer

No, ACST and CET are always 9 hours and 30 minutes apart. Both timezones observe DST, so the difference remains consistent.

Australian Central Standard Time (ACDT)	Period	Central European Time (CET)	Period
12:00 AM	Night	2:30 PM-1d	Business
1:00 AM	Night	3:30 PM-1d	Business
2:00 AM	Night	4:30 PM-1d	Business
3:00 AM	Night	5:30 PM-1d	Business
4:00 AM	Night	6:30 PM-1d	Evening
5:00 AM	Night	7:30 PM-1d	Evening
6:00 AM	Morning	8:30 PM-1d	Evening
7:00 AM	Morning	9:30 PM-1d	Evening
8:00 AM	Morning	10:30 PM-1d	Evening
9:00 AM	Business	11:30 PM-1d	Evening
10:00 AM	Business	12:30 AM	Night
11:00 AM	Business	1:30 AM	Night
12:00 PM	Business	2:30 AM	Night
1:00 PM	Business	3:30 AM	Night
2:00 PM	Business	4:30 AM	Night
3:00 PM	Business	5:30 AM	Night
4:00 PM	Business	6:30 AM	Morning
5:00 PM	Business	7:30 AM	Morning
6:00 PM	Evening	8:30 AM	Morning
7:00 PM	Evening	9:30 AM	Business
8:00 PM	Evening	10:30 AM	Business
9:00 PM	Evening	11:30 AM	Business
10:00 PM	Evening	12:30 PM	Business
11:00 PM	Evening	1:30 PM	Business

ACST to CET Converter

Timezone Details

24-Hour Overview

ACST to CET Conversion Table

Frequently Asked Questions

Related Conversions

Cities in These Timezones

ACST Cities

CET Cities

More Tools

Learn More