ADT — Atlantic Daylight Time (UTC−3)
3:27:20AM
ADT (Atlantic Daylight Time) is 3 hours behind Coordinated Universal Time (UTC−3). It is the daylight saving (summer) version of AST.
Most places that use ADT are currently on AST (UTC−4) until Sun, Mar 14, 2027. Halifax is currently UTC−4. See the current time in Halifax.
Convert ADT time
Live- ADT3:27 AMThu, Nov 5
- Your time6:27 AMThu, Nov 5
Thursday, November 5, 2026
About ADT
- Abbreviation
- ADT
- Full name
- Atlantic Daylight Time
- UTC offset
- UTC−3
- Type
- Daylight saving (summer) time
- Example location
- Halifax
Where ADT is used
- Atlantic Canada (summer)
- Bermuda (summer)