CET to AST converter

Central European Time (Paris, Berlin, Madrid, Rome, Amsterdam) to Atlantic Time (Halifax).

CET1:07 AMSat 31 Oct 2026

→

AST9:07 PMFri 30 Oct 2026

AST is 4 h behind CET.

Pick a time in CET

⇄ AST to CET

9:00 AM CET = 5:00 AM AST same day

Best time to meet

The best time to meet is between 1:00 PM and 5:00 PM CET, which is 9:00 AM to 1:00 PM AST. Both sides are then inside 9 AM to 5 PM.

CET to AST time table

For 31 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

CET	AST
12:00 AM CET	8:00 PM AST previous day
1:00 AM CET	9:00 PM AST previous day
2:00 AM CET	10:00 PM AST previous day
3:00 AM CET	11:00 PM AST previous day
4:00 AM CET	12:00 AM AST
5:00 AM CET	1:00 AM AST
6:00 AM CET	2:00 AM AST
7:00 AM CET	3:00 AM AST
8:00 AM CET	4:00 AM AST
9:00 AM CET	5:00 AM AST
10:00 AM CET	6:00 AM AST
11:00 AM CET	7:00 AM AST
12:00 PM CET	8:00 AM AST
1:00 PM CET	9:00 AM AST
2:00 PM CET	10:00 AM AST
3:00 PM CET	11:00 AM AST
4:00 PM CET	12:00 PM AST
5:00 PM CET	1:00 PM AST
6:00 PM CET	2:00 PM AST
7:00 PM CET	3:00 PM AST
8:00 PM CET	4:00 PM AST
9:00 PM CET	5:00 PM AST
10:00 PM CET	6:00 PM AST
11:00 PM CET	7:00 PM AST

Quick answers

9:00 AM CET = 5:00 AM AST
12:00 PM CET = 8:00 AM AST
3:00 PM CET = 11:00 AM AST
5:00 PM CET = 1:00 PM AST
9:00 AM AST = 1:00 PM CET
12:00 PM AST = 4:00 PM CET
5:00 PM AST = 9:00 PM CET

Does the gap change during the year?

Yes, because of daylight saving. Until 1 Nov 2026: AST is 4 h behind CET. From 1 Nov 2026 to 14 Mar 2027: AST is 5 h behind CET. From 14 Mar 2027 to 28 Mar 2027: AST is 4 h behind CET. From 28 Mar 2027 to 31 Oct 2027: AST is 5 h behind CET. From 31 Oct 2027 to 7 Nov 2027: AST is 4 h behind CET.

CET next changes its clocks on 28 Mar 2027 (forward 1 h, to UTC+2), then on 31 Oct 2027 (back 1 h, to UTC+1). AST next changes its clocks on 1 Nov 2026 (back 1 h, to UTC−4), then on 14 Mar 2027 (forward 1 h, to UTC−3).

About CET and AST

CET here means Central European Time, the clock in Paris, Berlin, Madrid, Rome, Amsterdam. Right now it is UTC+1. Strictly, CET is the winter name; in summer these places use CEST. This page follows their real clock all year.

AST here means Atlantic Time, the clock in Halifax. Right now it is UTC−3. Strictly, AST is the winter name; in summer these places use ADT. This page follows their real clock all year.

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