Sym454 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 0 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 1910 1920 1930 1940 1950 1960 1970 1980 1990 2000 2010 2020 2025 2030 2040 2050 2060 2070 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103 2104 2105 2106 2107 2108 2109 2110 2111 2112 2113 2114 2115 2116 2117 2118 2119 2120 2121 2130 2140 2150 2160 2170 2180 2190 2200 2210 2220 2300 2400 2500 2600 2700 2800 3000 4000 January February March April May June July August September October November December -- starts at 2103-12-31