Convert ADT to AST Time
Free online converter with current times, time difference, and conversion table between ADT and AST time zones.
Current time in ADT: Loading...
Current time in AST: Loading...
Time difference: -1 hours
ADT to AST Conversion Table
This table shows common ADT times converted to AST time:
About ADT and AST Time Zones
ADT Time Zone
Full Name: Atlantic Daylight Time
UTC Offset: UTC-3
Current Time: Loading...
Daylight saving time in the Atlantic Time Zone.
Used in: Canada, Bermuda
AST Time Zone
Full Name: Atlantic Standard Time
UTC Offset: UTC-4
Current Time: Loading...
Standard time in the Atlantic Time Zone.
Used in: Canada, Bermuda, Barbados, Dominican Republic
How to Convert ADT to AST
Enter ADT Time
Enter the ADT time you want to convert using the time picker or by typing directly in 24-hour format.
Click Convert
Click the "Convert Time" button to perform the conversion from ADT to AST.
View Result
The equivalent AST time will be displayed, along with the time difference between the two zones.
Use Conversion Table
For quick reference, you can also use the conversion table below that shows common ADT times converted to AST.
Common Uses for ADT to AST Conversion
International Business
Schedule meetings and calls between locations in Canada and Canada time zones.
Travel Planning
Calculate arrival times and plan activities when traveling between Canada and Canada.
Event Scheduling
Convert event times for international broadcasts, webinars, or sports events between these regions.
Keeping in Touch
Find the best times to call friends, family, or colleagues across these time zones.
Frequently Asked Questions
The time difference between ADT and AST is -1 hours. This means that when it's noon (12:00 PM) in ADT, it's 11:00 AM in AST.
To convert ADT to AST time, subtract 1 hours from the ADT time. You can use our converter at the top of this page for instant and accurate conversions.
ADT observes DST. AST observes DST.
Business hours largely overlap.
Our converter uses standard time zone offsets. For the most accurate conversions during DST transition periods, please verify the exact dates when DST begins or ends in the relevant regions, as these can vary by year and location.