Ast To Utc Converter

Convert Atlantic Standard Time to Coordinated Universal Time accurately. UTC is 3 hours ahead of AST, making this converter essential for coordinating meetings, business communications, and scheduling across the United States.

Current AST and UTC Time

AST

Atlantic Standard Time

03:15:01 AM
Monday, June 09, 2025

UTC

Coordinated Universal Time

06:15:01 AM
Monday, June 09, 2025

AST to UTC Time Converter

24-Hour AST to UTC Conversion Chart

This table shows AST to UTC time conversion for every hour of the day.

AST Time UTC Time
12:00 AM
00:00
03:00 AM
03:00
01:00 AM
01:00
04:00 AM
04:00
02:00 AM
02:00
05:00 AM
05:00
03:00 AM
03:00
06:00 AM
06:00
04:00 AM
04:00
07:00 AM
07:00
05:00 AM
05:00
08:00 AM
08:00
06:00 AM
06:00
09:00 AM
09:00
07:00 AM
07:00
10:00 AM
10:00
08:00 AM
08:00
11:00 AM
11:00
09:00 AM
09:00
12:00 PM
12:00
10:00 AM
10:00
01:00 PM
13:00
11:00 AM
11:00
02:00 PM
14:00
12:00 PM
12:00
03:00 PM
15:00
01:00 PM
13:00
04:00 PM
16:00
02:00 PM
14:00
05:00 PM
17:00
03:00 PM
15:00
06:00 PM
18:00
04:00 PM
16:00
07:00 PM
19:00
05:00 PM
17:00
08:00 PM
20:00
06:00 PM
18:00
09:00 PM
21:00
07:00 PM
19:00
10:00 PM
22:00
08:00 PM
20:00
11:00 PM
23:00
09:00 PM
21:00
12:00 AM (+1 day)
00:00
10:00 PM
22:00
01:00 AM (+1 day)
01:00
11:00 PM
23:00
02:00 AM (+1 day)
02:00

Quick Facts

  • Time Difference: UTC is 3 hours ahead of AST
  • AST Full Name: Atlantic Standard Time
  • UTC Full Name: Coordinated Universal Time
  • Conversion Type: AST → UTC

AST to UTC FAQs

How to use the AST to UTC converter?

Using our AST to UTC converter is simple and straightforward. Enter the time you want to convert, select the date, and click "Convert Time" to see the corresponding UTC time instantly. The converter automatically handles daylight saving time changes and shows any date changes.

What is the time difference between AST and UTC?

UTC is 3 hours ahead of AST. This makes accurate conversion essential for scheduling meetings and coordinating activities across the United States.

When does AST to UTC conversion change for daylight saving?

The time difference between AST and UTC may vary when daylight saving time changes occur. Our converter automatically adjusts for these transitions to ensure accurate time conversion throughout the year.

Is the AST to UTC converter accurate?

Yes, our converter provides precise time conversion accounting for daylight saving time transitions automatically. It's perfect for business meetings, travel planning, and coordinating schedules across different time zones.

What regions use AST and UTC time zones?

AST and UTC are used in different regions around the world. This converter helps coordinate scheduling and communication across these time zones for business and personal activities.

Can I convert AST to UTC for any date?

Absolutely! Our AST to UTC converter works for any past or future date. Simply select your desired date and time to get accurate conversion results with automatic daylight saving time adjustments.

Quick Facts

  • Time Difference: 4 hours
  • AST: Atlantic Standard Time
  • UTC: Coordinated Universal Time
  • DST: Both observe daylight saving

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