Sym454 -10000 -9000 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1100 -1000 -900 -800 -700 -600 -500 -400 -300 -200 -100 0 100 200 240 250 260 270 280 290 300 310 320 330 340 350 360 370 380 390 400 410 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 460 470 480 490 500 510 520 530 540 550 560 600 700 800 900 1000 1100 2000 2026 January February March April May June July August September October November December -- starts at 0440-01-02