Sym454 -9000 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 -400 -300 -200 -100 0 100 200 300 400 500 600 700 800 900 950 960 970 980 990 1000 1010 1020 1030 1040 1050 1060 1070 1080 1090 1100 1110 1120 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1180 1190 1200 1210 1220 1230 1240 1250 1260 1270 1300 1400 1500 1600 1700 1800 2000 2024 3000 January February March April May June July August September October November December -- starts at 1156-01-02