Sym454 -9000 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 0 100 200 300 400 500 600 700 800 900 1000 1100 1200 1300 1310 1320 1330 1340 1350 1360 1370 1380 1390 1400 1410 1420 1430 1440 1450 1460 1470 1480 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1530 1540 1550 1560 1570 1580 1590 1600 1610 1620 1700 1800 1900 2000 2025 2100 2200 3000 January February March April May June July August September October November December -- 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)] -- is 1508-10-23