Sym454 -8000 -7000 -6000 -5000 -4000 -3000 -2000 -1000 0 1000 1200 1300 1400 1500 1600 1700 1800 1900 2000 2026 2100 2200 2300 2400 2500 2510 2520 2530 2540 2550 2560 2570 2580 2590 2600 2610 2620 2630 2640 2650 2660 2670 2680 2690 2691 2692 2693 2694 2695 2696 2697 2698 2699 2700 2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714 2715 2716 2717 2718 2719 2720 2721 2722 2723 2724 2725 2726 2727 2728 2729 2730 2731 2732 2740 2750 2760 2770 2780 2790 2800 2810 2820 2830 2900 3000 3100 3200 3300 3400 4000 January February March April May June July August September October November December -- starts at 2715-01-04