ACST to CET Converter

Standard business hours (9 AM–5 PM, Mon–Fri) in Australian Central Time and Central European Time don't overlap on the same weekday. Central European Time is 7 hours behind Australian Central Time.

With some flexibility, there’s a workable window outside standard hours:

• 3 PM–8 PM in Australian Central Time (7 AM–12 PM in Central European Time) — suggest 5:00 PM Australian Central Time (9:30 AM Central European Time).

This means an early start or late finish for one side, but it’s a reasonable slot for a one-off meeting.

Australian Central Time is also known as ACST, or ACDT. To call Australia, dial +61.

Central European Time is also known as CET, or CEST. To call France, dial +33.

Central European Time is approximately 10,050 miles northwest of Australian Central Time.

Both zones observe daylight saving time, but they transition on different dates.

Australian Central Time: next transition on Sunday, October 4, 2026.

Central European Time: next transition on Sunday, October 25, 2026.

Australian Central Time and Central European Time are in opposite hemispheres, so their clocks change in opposite directions about six months apart — one springs forward while the other falls back. The offset between them therefore shifts twice a year and can swing by up to two hours across the seasons, more than a typical same-hemisphere pair. Recurring meetings will need re-checking after each transition.

See the daylight saving time page for transition dates across every time zone.