CET to AEST Time Converter

Common Times Converted

CET on the left, AEST on the right.

CET to AEST: Full 24-Hour Conversion Table

Shaded rows are working hours; the darker shade marks the hours when both zones are at work.

What CET and AEST Actually Are

CET — Central European Time

Paris, Berlin, Madrid, Rome, Amsterdam, Vienna, Warsaw, Stockholm. Standing at UTC+1:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, October 25, 2026, to CET. Most of continental Europe moves to CEST (UTC+2) for the summer.

Central European Time spans a remarkable stretch of longitude — from Spain's Atlantic coast to Poland's eastern border — so solar noon in Madrid arrives nearly two hours later than in Warsaw.

AEST — Australian Eastern Standard Time

Sydney, Melbourne, Brisbane, Canberra, Hobart. Standing at UTC+10:00 as written, and the region does change its clocks, so its live offset moves by an hour twice a year. The next change is on Sunday, April 4, 2027, to AEST. Sydney and Melbourne move to AEDT (UTC+11) for the southern summer; Brisbane does not change at all.

Queensland abandoned daylight saving after a 1992 referendum, so for five months a year Brisbane and Sydney read different clocks despite sharing a zone.

What This Means in Practice

The date changes mid-working-day

For 2 of the eight hours in a normal CET working day, the equivalent AEST time falls on a different calendar date. Anything scheduled in that stretch needs the date checked as well as the time, or a Tuesday call quietly becomes a Wednesday one at the other end.

Both sides change clocks, on different dates

Both regions observe daylight saving but do not switch on the same day, so for a week or two each spring and fall the gap between them is an hour different from the rest of the year. Those short windows are where recurring invitations quietly break.

Major Cities in Each Zone

Cities on CET

Cities on AEST