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Convert AST to JST Time - Free Time Zone Converter

Convert Atlantic Standard Time (AST) to Japan Standard Time (JST, UTC+9) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for AST to JST coordination. Includes 24-hour conversion table and live time displays. Perfect for international scheduling and global team collaboration. Works on all devices with accurate, reliable results.

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AST
Atlantic Standard Time
Current Time
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🕐
JST
Japan Standard 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 JST Time Zone Difference

Japan Standard Time is 13 hours ahead of Atlantic Standard Time

Always up-to-date and accurate

24-Hour AST to JST Conversion Chart

Complete hourly conversion for Atlantic Standard Time to Japan Standard Time

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

Best Meeting Times between Atlantic Standard Time and Japan Standard Time

Optimal hours for calls between AST and JST

Compromise times recommended
7:00 AM AST → 8:00 PM JST
Early Hours
8:00 AM AST → 9:00 PM JST
Early Hours
6:00 PM AST → 7:00 AM JST
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
JST

Japan Standard Time

Target timezone

UTC Offset 9.0 hours
Abbreviation JST
Type Standard Time
Status Active

Most Searched AST to JST Times

Popular business hours conversion from Atlantic Standard Time to Japan Standard Time

7:00 AM
8:00 PM
Early business hours
Popular
8:00 AM
9:00 PM
Prime meeting time
9:00 AM
10:00 PM
Mid-morning calls
11:00 AM
12:00 AM (next day)
Lunch meetings
12:00 PM
1:00 AM (next day)
Afternoon coordination
1:00 PM
2:00 AM (next day)
Late afternoon calls

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