CST to AST

Central Standard Time

Central Standard Time (CST)

CST is 6 hours behind Universal Time (UTC-6)

↑ ↓

Atlantic Standard Time

Atlantic Standard Time (AST)

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

CST to AST Time Conversion

When it is 12:00 PM in CST, it is 2:00 PM in AST.

📞The best time to schedule a call is between 9 AM and 3 PM in CST, which is between 11 AM and 5 PM in AST.

Time difference between CST and AST

CST is 2 hours behind AST.

🕐 Add 2 hours to CST time to get AST time.

CST uses 6 hours behind Universal Time (UTC-6) and AST uses 4 hours behind Universal Time (UTC-4).

CST to AST time conversion chart (24 hours)

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

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

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

CST to AST - Frequently Asked Questions

Q

What is the time difference between CST and AST?

A

CST is 2 hours behind AST.

Q

Is CST ahead of or behind AST?

A

CST is behind AST by 2 hours.

Q

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

A

It is 11:00 AM in AST.

Convert CST Time to Popular Time Zones

Convert Time in Popular Time Zones to AST