24TimeZones.com Time zone abbreviations ADT

Current ADT time

ADT is currently not observed because DST is not applied. See Atlantic Time instead.
ADT will be observed after Sunday 10 March 2024, 02:00


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What is Atlantic Daylight Time

ADT timing

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.

Time difference to GMT/UTC

3 hours behind (UTC-03)

Related timezone


Other Time Zones in UTC-03

Abbreviation Name
AMST Amazon Summer Time
ART Argentina Time
BRT Brasilia 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
SRT Suriname Time
UYT Uruguay Standard Time
WGST West Greenland Time

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