ADT Time Zone

Atlantic Daylight Time (ADT)
Current time, date, and conversions to other time zones.

Current ADT Time
10:23AM
Sunday, 10 May 2026

ADT

ADT (Atlantic Daylight Time) is use in the eastern provinces of Canada and some islands in the Caribbean during summer, sitting 3 hours behind Coordinated Universal Time (UTC−3). It start in March and end in November. In winter, people change to Atlantic Standard Time (AST). This provides more evening daylight for tourism and outdoor activities along the coast. Check the ADT Time Now.

Convert ADT to other time zones