CDT to AST

Central Daylight Time

Central Daylight Time (CDT)

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

↑ ↓

Atlantic Standard Time

Atlantic Standard Time (AST)

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

CDT to AST Time Conversion

When it is 12:00 PM in CDT, it is 1:00 PM in AST.

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

Time difference between CDT and AST

CDT is 1 hour behind AST.

🕐 Add 1 hour to CDT time to get AST time.

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

CDT to AST time conversion chart (24 hours)

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

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

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

CDT to AST - Frequently Asked Questions

Q

What is the time difference between CDT and AST?

A

CDT is 1 hour behind AST.

Q

Is CDT ahead of or behind AST?

A

CDT is behind AST by 1 hour.

Q

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

A

It is 10:00 AM in AST.

Convert CDT Time to Popular Time Zones

Convert Time in Popular Time Zones to AST