Yi -9000 [NorthEastYear(0)] -8000 [NorthEastYear(0)] -7000 [NorthEastYear(0)] -6000 [NorthEastYear(0)] -5000 [NorthEastYear(0)] -4000 [NorthEastYear(0)] -3000 [NorthEastYear(0)] -2000 [NorthEastYear(0)] -1000 [NorthEastYear(0)] 0 [NorthEastYear(0)] 400 [NorthEastYear(0)] 500 [SouthWestYear(4)] 600 [NorthEastYear(0)] 700 [SouthWestYear(4)] 800 [NorthEastYear(0)] 900 [SouthWestYear(4)] 1000 [NorthEastYear(0)] 1100 [SouthWestYear(4)] 1200 [NorthEastYear(0)] 1300 [SouthWestYear(4)] 1400 [NorthEastYear(0)] 1500 [SouthWestYear(4)] 1600 [NorthEastYear(0)] 1700 [SouthWestYear(4)] 1790 [NorthWestYear(6)] 1800 [NorthEastYear(0)] 1810 [SouthEastYear(2)] 1820 [SouthWestYear(4)] 1830 [NorthWestYear(6)] 1840 [NorthEastYear(0)] 1850 [SouthEastYear(2)] 1860 [SouthWestYear(4)] 1870 [NorthWestYear(6)] 1880 [NorthEastYear(0)] 1890 [SouthEastYear(2)] 1900 [SouthWestYear(4)] 1910 [NorthWestYear(6)] 1920 [NorthEastYear(0)] 1930 [SouthEastYear(2)] 1940 [SouthWestYear(4)] 1950 [NorthWestYear(6)] 1960 [NorthEastYear(0)] 1966 [NorthWestYear(6)] 1967 [NorthYear(7)] 1968 [NorthEastYear(0)] 1969 [EastYear(1)] 1970 [SouthEastYear(2)] 1971 [SouthYear(3)] 1972 [SouthWestYear(4)] 1973 [WestYear(5)] 1974 [NorthWestYear(6)] 1975 [NorthYear(7)] 1976 [NorthEastYear(0)] 1977 [EastYear(1)] 1978 [SouthEastYear(2)] 1979 [SouthYear(3)] 1980 [SouthWestYear(4)] 1981 [WestYear(5)] 1982 [NorthWestYear(6)] 1983 [NorthYear(7)] 1984 [NorthEastYear(0)] 1985 [EastYear(1)] 1986 [SouthEastYear(2)] 1987 [SouthYear(3)] 1988 [SouthWestYear(4)] 1989 [WestYear(5)] 1990 [NorthWestYear(6)] 1991 [NorthYear(7)] 1992 [NorthEastYear(0)] 1993 [EastYear(1)] 1994 [SouthEastYear(2)] 1995 [SouthYear(3)] 1996 [SouthWestYear(4)] 1997 [WestYear(5)] 1998 [NorthWestYear(6)] 1999 [NorthYear(7)] 2000 [NorthEastYear(0)] 2001 [EastYear(1)] 2002 [SouthEastYear(2)] 2003 [SouthYear(3)] 2004 [SouthWestYear(4)] 2005 [WestYear(5)] 2006 [NorthWestYear(6)] 2007 [NorthYear(7)] 2008 [NorthEastYear(0)] 2010 [SouthEastYear(2)] 2020 [SouthWestYear(4)] 2025 [EastYear(1)] 2030 [NorthWestYear(6)] 2040 [NorthEastYear(0)] 2050 [SouthEastYear(2)] 2060 [SouthWestYear(4)] 2070 [NorthWestYear(6)] 2080 [NorthEastYear(0)] 2090 [SouthEastYear(2)] 2100 [SouthWestYear(4)] 2110 [NorthWestYear(6)] 2200 [NorthEastYear(0)] 2300 [SouthWestYear(4)] 2400 [NorthEastYear(0)] 2500 [SouthWestYear(4)] 2600 [NorthEastYear(0)] 3000 [NorthEastYear(0)] Month 1 Month 2 Month 3 Month 4 Month 5 Month 6 Month 7 Month 8 Month 9 Month 10 end of year days -- 1 [Monday(0)] 2 [Tuesday(1)] 3 [Wednesday(2)] 4 [Thursday(3)] 5 [Friday(4)] 6 [Saturday(5)] 7 [Sunday(6)] 8 [Monday(0)] 9 [Tuesday(1)] 10 [Wednesday(2)] 11 [Thursday(3)] 12 [Friday(4)] 13 [Saturday(5)] 14 [Sunday(6)] 15 [Monday(0)] 16 [Tuesday(1)] 17 [Wednesday(2)] 18 [Thursday(3)] 19 [Friday(4)] 20 [Saturday(5)] 21 [Sunday(6)] 22 [Monday(0)] 23 [Tuesday(1)] 24 [Wednesday(2)] 25 [Thursday(3)] 26 [Friday(4)] 27 [Saturday(5)] 28 [Sunday(6)] 29 [Monday(0)] 30 [Tuesday(1)] 31 [Wednesday(2)] 32 [Thursday(3)] 33 [Friday(4)] 34 [Saturday(5)] 35 [Sunday(6)] 36 [Monday(0)] -- is 1991-02-21