AST to CDT

Atlantic Standard Time

Atlantic Standard Time (AST)

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

↑ ↓

Central Daylight Time

Central Daylight Time (CDT)

CDT is 5 hours behind Universal Time (UTC-5)

AST to CDT Time Conversion

When it is 12:00 PM in AST, it is 11:00 AM in CDT.

📞The best time to schedule a call is between 10 AM and 5 PM in AST, which is between 9 AM and 4 PM in CDT.

Time difference between AST and CDT

AST is 1 hour ahead of CDT.

🕐 Subtract 1 hour from AST time to get CDT time.

AST uses 4 hours behind Universal Time (UTC-4) and CDT uses 5 hours behind Universal Time (UTC-5).

AST to CDT time conversion chart (24 hours)

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

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

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

AST to CDT - Frequently Asked Questions

Q

What is the time difference between AST and CDT?

A

AST is 1 hour ahead of CDT.

Q

Is AST ahead of or behind CDT?

A

AST is ahead of CDT by 1 hour.

Q

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

A

It is 8:00 AM in CDT.

Convert AST Time to Popular Time Zones

Convert Time in Popular Time Zones to CDT