{ details = { CDT = {abbrev = CDT; isDST = 1; offset = "-5:00:00"; }; CST = {abbrev = CST; isDST = 0; offset = "-6:00:00"; }; }; rules = ( { startDate = "Sun Apr 27 10:00:00 1902 GMT"; endDate = "Sun Oct 28 09:00:00 1973 GMT"; transitions = ( { date = "April/last Sunday/10:00:00"; detail = CDT; }, { date = "October/last Sunday/9:00:00"; detail = CST; } ); }, { startDate = "Sun Apr 25 10:00:00 1976 GMT"; endDate = "Sun Oct 25 09:00:00 2037 GMT"; transitions = ( { date = "April/last Sunday/10:00:00"; detail = CDT; }, { date = "October/last Sunday/9:00:00"; detail = CST; } ); } ); transitions = ( { date = "Sun Jan 06 10:00:00 1974 GMT"; detail = CDT; }, { date = "Sun Nov 24 09:00:00 1974 GMT"; detail = CST; }, { date = "Sun Feb 23 10:00:00 1975 GMT"; detail = CDT; }, { date = "Sun Oct 26 09:00:00 1975 GMT"; detail = CST; } ); }