PST to AST converter

Pacific Time (Los Angeles, San Francisco, Seattle, Vancouver) to Atlantic Time (Halifax).

PST5:07 PMFri 30 Oct 2026

→

AST9:07 PMFri 30 Oct 2026

AST is 4 h ahead of PST.

Pick a time in PST

⇄ AST to PST

9:00 AM PST = 1:00 PM AST same day

Best time to meet

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

PST to AST time table

For 30 Oct 2026. Green rows: both sides between 9 AM and 5 PM.

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

Quick answers

9:00 AM PST = 1:00 PM AST
12:00 PM PST = 4:00 PM AST
3:00 PM PST = 7:00 PM AST
5:00 PM PST = 9:00 PM AST
9:00 AM AST = 5:00 AM PST
12:00 PM AST = 8:00 AM PST
5:00 PM AST = 1:00 PM PST

Does the gap change during the year?

Yes, because of daylight saving. Until 31 Oct 2026: AST is 4 h ahead of PST. From 31 Oct 2026 to 1 Nov 2026: AST is 3 h ahead of PST. From 1 Nov 2026 to 13 Mar 2027: AST is 4 h ahead of PST. From 13 Mar 2027 to 14 Mar 2027: AST is 5 h ahead of PST. From 14 Mar 2027 to 6 Nov 2027: AST is 4 h ahead of PST.

PST next changes its clocks on 1 Nov 2026 (back 1 h, to UTC−8), then on 14 Mar 2027 (forward 1 h, to UTC−7). 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 PST and AST

PST here means Pacific Time, the clock in Los Angeles, San Francisco, Seattle, Vancouver. Right now it is UTC−7. Strictly, PST is the winter name; in summer these places use PDT. 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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