Sym454 -9000 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 -100 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1240 1250 1260 1270 1280 1290 1300 1310 1320 1330 1340 1350 1360 1370 1380 1390 1400 1410 1420 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1470 1480 1490 1500 1510 1520 1530 1540 1550 1560 1600 1700 1800 1900 2000 2024 2100 3000 January February March April May June July August September October November December -- starts at 1449-01-01