9 AM PST to AST

PST is currently not used in any location. Locations using this time are currently using PDT time.

Pacific Standard Time

Pacific Standard Time (PST)

PST is 8 hours behind Universal Time (UTC-8)

↑ ↓

Atlantic Standard Time

Atlantic Standard Time (AST)

AST is 4 hours behind Universal Time (UTC-4)

PST to AST Time Conversion

When it is 12:00 PM in PST, it is 4:00 PM in AST.

📞The best time to schedule a call is between 9 AM and 1 PM in PST, which is between 1 PM and 5 PM in AST.

Time difference between PST and AST

PST is 4 hours behind AST.

🕐 Add 4 hours to PST time to get AST time.

PST uses 8 hours behind Universal Time (UTC-8) and AST uses 4 hours behind Universal Time (UTC-4).

PST to AST time conversion chart (24 hours)

Highlighted rows are overlapping 9-to-5 business hours – the best time to schedule a call between PST and AST.

PST Time		AST Time
12 AM PST Time	↔	4 AM AST Time
1 AM PST Time	↔	5 AM AST Time
2 AM PST Time	↔	6 AM AST Time
3 AM PST Time	↔	7 AM AST Time
4 AM PST Time	↔	8 AM AST Time
5 AM PST Time	↔	9 AM AST Time
6 AM PST Time	↔	10 AM AST Time
7 AM PST Time	↔	11 AM AST Time
8 AM PST Time	↔	12 PM AST Time
9 AM PST Time	↔	1 PM AST Time
10 AM PST Time	↔	2 PM AST Time
11 AM PST Time	↔	3 PM AST Time

PST Time		AST Time
12 PM PST Time	↔	4 PM AST Time
1 PM PST Time	↔	5 PM AST Time
2 PM PST Time	↔	6 PM AST Time
3 PM PST Time	↔	7 PM AST Time
4 PM PST Time	↔	8 PM AST Time
5 PM PST Time	↔	9 PM AST Time
6 PM PST Time	↔	10 PM AST Time
7 PM PST Time	↔	11 PM AST Time
8 PM PST Time	↔	12 AM AST Time
9 PM PST Time	↔	1 AM AST Time
10 PM PST Time	↔	2 AM AST Time
11 PM PST Time	↔	3 AM AST Time

PST to AST - Frequently Asked Questions

Q

What is the time difference between PST and AST?

A

PST is 4 hours behind AST.

Q

Is PST ahead of or behind AST?

A

PST is behind AST by 4 hours.

Q

When it is 9:00 AM in PST, what time is it in AST?

A

It is 1:00 PM in AST.

Convert PST Time to Popular Time Zones

Convert Time in Popular Time Zones to AST