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Convert AST to IRST Time - Free Time Zone Converter

Convert Atlantic Standard Time (AST) to Iran Standard Time (IRST, UTC+3.5) 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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🕐
IRST
Iran Standard Time
Current Time
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Converted Time
Select a time to convert
Time Difference
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Your Local Time
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UTC Time
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AST to IRST Time Zone Difference

Iran Standard Time is 7 hours and 30 minutes ahead of Atlantic Standard Time

Always up-to-date and accurate

24-Hour AST to IRST Conversion Chart

Complete hourly conversion for Atlantic Standard Time to Iran Standard Time

12:00 AM
AST
7:30 AM
IRST
00:00 07:30
1:00 AM
AST
8:30 AM
IRST
01:00 08:30
2:00 AM
AST
9:30 AM
IRST
02:00 09:30
3:00 AM
AST
10:30 AM
IRST
03:00 10:30
4:00 AM
AST
11:30 AM
IRST
04:00 11:30
5:00 AM
AST
12:30 PM
IRST
05:00 12:30
6:00 AM
AST
1:30 PM
IRST
06:00 13:30
7:00 AM
AST
2:30 PM
IRST
07:00 14:30
8:00 AM
AST
3:30 PM
IRST
08:00 15:30
9:00 AM
AST
4:30 PM
IRST
09:00 16:30
10:00 AM
AST
5:30 PM
IRST
10:00 17:30
11:00 AM
AST
6:30 PM
IRST
11:00 18:30
12:00 PM
AST
7:30 PM
IRST
12:00 19:30
1:00 PM
AST
8:30 PM
IRST
13:00 20:30
2:00 PM
AST
9:30 PM
IRST
14:00 21:30
3:00 PM
AST
10:30 PM
IRST
15:00 22:30
4:00 PM
AST
11:30 PM
IRST
16:00 23:30
5:00 PM
AST
12:30 AM
IRST
(next day)
17:00 00:30
6:00 PM
AST
1:30 AM
IRST
(next day)
18:00 01:30
7:00 PM
AST
2:30 AM
IRST
(next day)
19:00 02:30
8:00 PM
AST
3:30 AM
IRST
(next day)
20:00 03:30
9:00 PM
AST
4:30 AM
IRST
(next day)
21:00 04:30
10:00 PM
AST
5:30 AM
IRST
(next day)
22:00 05:30
11:00 PM
AST
6:30 AM
IRST
(next day)
23:00 06:30

Best Meeting Times between Atlantic Standard Time and Iran Standard Time

Optimal hours for calls between AST and IRST

Business hours overlap available
9:00 AM AST → 4:30 PM IRST
Business Hours
10:00 AM AST → 5:30 PM IRST
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
IRST

Iran Standard Time

Target timezone

UTC Offset 3.5 hours
Abbreviation IRST
Type Standard Time
Status Active

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