Sym454 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 0 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2026 2100 2200 2210 2220 2230 2240 2250 2260 2270 2280 2290 2300 2310 2320 2330 2340 2350 2360 2370 2380 2385 2386 2387 2388 2389 2390 2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2430 2440 2450 2460 2470 2480 2490 2500 2510 2520 2530 2600 2700 2800 2900 3000 3100 4000 January February March April May June July August September October November December -- starts at 2410-01-04