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Convert AST to GMT Time - Free Time Zone Converter

Convert Atlantic Standard Time (AST) to Greenwich Mean Time (GMT, UTC+0) for regional business calls. Free converter with real-time conversion, meeting time planner, and business hours comparison for AST to GMT 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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🕐
GMT
Greenwich Mean 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 GMT Time Zone Difference

Greenwich Mean Time is 4 hours ahead of Atlantic Standard Time

Always up-to-date and accurate

24-Hour AST to GMT Conversion Chart

Complete hourly conversion for Atlantic Standard Time to Greenwich Mean Time

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

Best Meeting Times between Atlantic Standard Time and Greenwich Mean Time

Optimal hours for calls between AST and GMT

Business hours overlap available
9:00 AM AST → 1:00 PM GMT
Business Hours
10:00 AM AST → 2:00 PM GMT
Business Hours
11:00 AM AST → 3:00 PM GMT
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
GMT

Greenwich Mean Time

Target timezone

UTC Offset 0.0 hours
Abbreviation GMT
Type Standard Time
Status Active

Most Searched AST to GMT Times

Popular business hours conversion from Atlantic Standard Time to Greenwich Mean Time

7:00 AM
11:00 AM
Early business hours
Popular
8:00 AM
12:00 PM
Prime meeting time
9:00 AM
1:00 PM
Mid-morning calls
11:00 AM
3:00 PM
Lunch meetings
12:00 PM
4:00 PM
Afternoon coordination
1:00 PM
5:00 PM
Late afternoon calls

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