ADT is currently not observed because DST is not applied. See Atlantic Time instead.
ADT will be observed after Sunday 14 March 2021, 02:00
ADT (Atlantic Daylight Time) is one of the well-known names of UTC-3 time zone which is 3h. behind of UTC (Coordinated Universal Time).The time offset from UTC can be written as -03:00.
It's used as a DST (summer daylight saving time).During the winter, AST - Atlantic Standard Time(UTC-4) is in use.
Some locations use AST all year long.
|AMST||Amazon Summer Time|
|CLST||Chile Summer Time|
|FKST||Falkland Islands Summer Time|
|GFT||French Guiana Time|
|PMST||Saint Pierre and Miquelon Standard Time|
|PYST||Paraguay Summer Time|
|ROTT||Rothera Research Station Time|
|UYT||Uruguay Standard Time|
|WGST||West Greenland Time|
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