Sym454 -10000 -9000 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 -900 -800 -700 -600 -500 -400 -300 -200 -100 0 100 200 300 310 320 330 340 350 360 370 380 390 400 410 420 430 440 450 460 470 480 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 530 540 550 560 570 580 590 600 610 620 700 800 900 1000 1100 1200 2000 2025 January February March April May June July August September October November December -- starts at 0508-01-02