23:29:00, 23:59:59, MON, MON, JAN, DEC, 1980.01.01, 2100.12.31
00:00:00, 00:30:00, TUE, TUE, JAN, DEC, 1980.01.01, 2100.12.31
09:29:00, 10:00:00, TUE, TUE, JAN, DEC, 1980.01.01, 2100.12.31