Gregorian -9000 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 -300 -200 -100 0 100 200 300 400 500 600 700 800 900 1000 1080 1090 1100 1110 1120 1130 1140 1150 1160 1170 1180 1190 1200 1210 1220 1230 1240 1250 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 1290 1291 1292 1293 1294 1295 1296 1297 1300 1310 1320 1330 1340 1350 1360 1370 1380 1390 1400 1500 1600 1700 1800 1900 2000 2025 3000 January February March April May June July August September October November December -- 1 [Sunday(6)] 2 [Monday(0)] 3 [Tuesday(1)] 4 [Wednesday(2)] 5 [Thursday(3)] 6 [Friday(4)] 7 [Saturday(5)] 8 [Sunday(6)] 9 [Monday(0)] 10 [Tuesday(1)] 11 [Wednesday(2)] 12 [Thursday(3)] 13 [Friday(4)] 14 [Saturday(5)] 15 [Sunday(6)] 16 [Monday(0)] 17 [Tuesday(1)] 18 [Wednesday(2)] 19 [Thursday(3)] 20 [Friday(4)] 21 [Saturday(5)] 22 [Sunday(6)] 23 [Monday(0)] 24 [Tuesday(1)] 25 [Wednesday(2)] 26 [Thursday(3)] 27 [Friday(4)] 28 [Saturday(5)] 29 [Sunday(6)] 30 [Monday(0)] -- starts at 1280-09-01