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Convert AST to CDT Time - Free Time Zone Converter

Convert Atlantic Standard Time (AST) to Central Daylight Time (CDT, UTC-5) with our free time zone converter. Features real-time conversion and meeting planner for time zone conversion. Accurate, fast, and easy to use on all devices.

🌍
AST
Atlantic Standard Time
Current Time
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🕐
CDT
Central Daylight Time
Current Time
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Converted Time
Select a time to convert
Time Difference
-
Your Local Time
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UTC Time
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AST to CDT Time Zone Difference

Central Daylight Time is 1 hour behind Atlantic Standard Time

Always up-to-date and accurate

24-Hour AST to CDT Conversion Chart

Complete hourly conversion for Atlantic Standard Time to Central Daylight Time

12:00 AM
AST
11:00 PM
CDT
(previous day)
00:00 23:00
1:00 AM
AST
12:00 AM
CDT
01:00 00:00
2:00 AM
AST
1:00 AM
CDT
02:00 01:00
3:00 AM
AST
2:00 AM
CDT
03:00 02:00
4:00 AM
AST
3:00 AM
CDT
04:00 03:00
5:00 AM
AST
4:00 AM
CDT
05:00 04:00
6:00 AM
AST
5:00 AM
CDT
06:00 05:00
7:00 AM
AST
6:00 AM
CDT
07:00 06:00
8:00 AM
AST
7:00 AM
CDT
08:00 07:00
9:00 AM
AST
8:00 AM
CDT
09:00 08:00
10:00 AM
AST
9:00 AM
CDT
10:00 09:00
11:00 AM
AST
10:00 AM
CDT
11:00 10:00
12:00 PM
AST
11:00 AM
CDT
12:00 11:00
1:00 PM
AST
12:00 PM
CDT
13:00 12:00
2:00 PM
AST
1:00 PM
CDT
14:00 13:00
3:00 PM
AST
2:00 PM
CDT
15:00 14:00
4:00 PM
AST
3:00 PM
CDT
16:00 15:00
5:00 PM
AST
4:00 PM
CDT
17:00 16:00
6:00 PM
AST
5:00 PM
CDT
18:00 17:00
7:00 PM
AST
6:00 PM
CDT
19:00 18:00
8:00 PM
AST
7:00 PM
CDT
20:00 19:00
9:00 PM
AST
8:00 PM
CDT
21:00 20:00
10:00 PM
AST
9:00 PM
CDT
22:00 21:00
11:00 PM
AST
10:00 PM
CDT
23:00 22:00

Best Meeting Times between Atlantic Standard Time and Central Daylight Time

Optimal hours for calls between AST and CDT

Business hours overlap available
10:00 AM AST → 9:00 AM CDT
Business Hours
11:00 AM AST → 10:00 AM CDT
Business Hours
12:00 PM AST → 11:00 AM CDT
Business Hours

Based on standard business hours (9:00 AM - 6:00 PM) in each time zone

Time Zone Details

Technical information for both time zones

AST

Atlantic Standard Time

Source timezone

UTC Offset -4.0 hours
Abbreviation AST
Type Standard Time
Status Active
CDT

Central Daylight Time

Target timezone

UTC Offset -5.0 hours
Abbreviation CDT
Type Standard Time
Status Active

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