noun
[ U ] ( abbr. ADT ) the time used in summer in an area that includes the east of Canada, Puerto Rico and the Virgin Islands, that is five hours earlier than GMT
noun
[ U ] ( abbr. ADT ) the time used in summer in an area that includes the east of Canada, Puerto Rico and the Virgin Islands, that is five hours earlier than GMT
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005