{ details = { EDT = {abbrev = EDT; isDST = 1; offset = "-4:00:00"; }; EST = {abbrev = EST; isDST = 0; offset = "-5:00:00"; }; }; rules = ( { startDate = "Sun Apr 27 09:00:00 1902 GMT"; endDate = "Sun Oct 28 08:00:00 1973 GMT"; transitions = ( { date = "April/last Sunday/9:00:00"; detail = EDT; }, { date = "October/last Sunday/8:00:00"; detail = EST; } ); }, { startDate = "Sun Apr 25 09:00:00 1976 GMT"; endDate = "Sun Oct 25 08:00:00 2037 GMT"; transitions = ( { date = "April/last Sunday/9:00:00"; detail = EDT; }, { date = "October/last Sunday/8:00:00"; detail = EST; } ); } ); transitions = ( { date = "Sun Jan 06 09:00:00 1974 GMT"; detail = EDT; }, { date = "Sun Nov 24 08:00:00 1974 GMT"; detail = EST; }, { date = "Sun Feb 23 09:00:00 1975 GMT"; detail = EDT; }, { date = "Sun Oct 26 08:00:00 1975 GMT"; detail = EST; } ); }