Time Converter

CET to AST Time Converter

Convert Central European Time to Atlantic Time with a live clock and clean permalinks.

From
CET / CEST
Paris

To
AST / ADT
Halifax

When it is 7:30 AM in Central European Time, it is 3:30 AM in Atlantic Time.

Current gap Atlantic Time is 4 hours behind Central European Time.
UTC offsets now UTC +1 and UTC -3
Quick example 12:00 PM in CET = 8:00 AM in AST
Shared work window 12:00 PM to 6:00 PM in CET

CET to AST at a glance

Atlantic Time is 4 hours behind Central European Time. If someone gives you a time in Central European Time, move the clock by 4 hours to read it in Atlantic Time. A 9:00 AM start in Paris becomes 5:00 AM in Halifax.

What Central European Time covers

Central European Time is used in many large European cities including Paris, Berlin, Madrid, and Rome. It is a common timezone for EU operations, cross-border teams, and mainland Europe customer support.

What Atlantic Time covers

Atlantic Time is used in eastern Canada and parts of the Caribbean. Halifax is a common city reference for it. It matters when scheduling across North America and island markets farther east.

Quick answers

What is the time difference between CET and AST?

Atlantic Time is 4 hours behind Central European Time.

What happens to a 3:00 PM meeting in CET?

It lands at 11:00 AM in AST.

Does daylight saving time matter for CET to AST?

Central European Time and Atlantic Time are shown using the offsets that are active right now, so the result already reflects any daylight saving change in effect today.