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Convert AST to CHAST Time - Free Time Zone Converter

Convert Atlantic Standard Time (AST) to Chatham Island Standard Time (CHAST, UTC+12.75) 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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🕐
CHAST
Chatham Island Standard Time
Current Time
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Converted Time
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Time Difference
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Your Local Time
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UTC Time
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AST to CHAST Time Zone Difference

Chatham Island Standard Time is 16 hours and 45 minutes ahead of Atlantic Standard Time

Always up-to-date and accurate

24-Hour AST to CHAST Conversion Chart

Complete hourly conversion for Atlantic Standard Time to Chatham Island Standard Time

12:00 AM
AST
4:45 PM
CHAST
00:00 16:45
1:00 AM
AST
5:45 PM
CHAST
01:00 17:45
2:00 AM
AST
6:45 PM
CHAST
02:00 18:45
3:00 AM
AST
7:45 PM
CHAST
03:00 19:45
4:00 AM
AST
8:45 PM
CHAST
04:00 20:45
5:00 AM
AST
9:45 PM
CHAST
05:00 21:45
6:00 AM
AST
10:45 PM
CHAST
06:00 22:45
7:00 AM
AST
11:45 PM
CHAST
07:00 23:45
8:00 AM
AST
12:45 AM
CHAST
(next day)
08:00 00:45
9:00 AM
AST
1:45 AM
CHAST
(next day)
09:00 01:45
10:00 AM
AST
2:45 AM
CHAST
(next day)
10:00 02:45
11:00 AM
AST
3:45 AM
CHAST
(next day)
11:00 03:45
12:00 PM
AST
4:45 AM
CHAST
(next day)
12:00 04:45
1:00 PM
AST
5:45 AM
CHAST
(next day)
13:00 05:45
2:00 PM
AST
6:45 AM
CHAST
(next day)
14:00 06:45
3:00 PM
AST
7:45 AM
CHAST
(next day)
15:00 07:45
4:00 PM
AST
8:45 AM
CHAST
(next day)
16:00 08:45
5:00 PM
AST
9:45 AM
CHAST
(next day)
17:00 09:45
6:00 PM
AST
10:45 AM
CHAST
(next day)
18:00 10:45
7:00 PM
AST
11:45 AM
CHAST
(next day)
19:00 11:45
8:00 PM
AST
12:45 PM
CHAST
(next day)
20:00 12:45
9:00 PM
AST
1:45 PM
CHAST
(next day)
21:00 13:45
10:00 PM
AST
2:45 PM
CHAST
(next day)
22:00 14:45
11:00 PM
AST
3:45 PM
CHAST
(next day)
23:00 15:45

Best Meeting Times between Atlantic Standard Time and Chatham Island Standard Time

Optimal hours for calls between AST and CHAST

Compromise times recommended
7:00 AM AST → 11:45 PM CHAST
Early Hours
8:00 AM AST → 12:45 AM (next day) CHAST
Early Hours
6:00 PM AST → 10:45 AM (next day) CHAST
Evening

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
CHAST

Chatham Island Standard Time

Target timezone

UTC Offset 12.8 hours
Abbreviation CHAST
Type Standard Time
Status Active

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