Average month = ( n1*29 + n2*30 ) / ( n1 + n2 ) days Synodic month 2000 = 29.530589, synodic month 3000 = 29.530583 n1 n2 n1+n2 n2-n1 av. mon. diff.2000 diff.3000 23 26 49 3 29.530612 0.000079% 0.000099% 169 191 360 22 29.530556 -0.000113% -0.000093% 192 217 409 25 29.530562 -0.000090% -0.000070% 215 243 458 28 29.530568 -0.000072% -0.000052% 238 269 507 31 29.530572 -0.000058% -0.000037% 261 295 556 34 29.530576 -0.000046% -0.000025% 284 321 605 37 29.530579 -0.000036% -0.000015% 307 347 654 40 29.530581 -0.000027% -0.000007% 330 373 703 43 29.530583 -0.000020% 0.000001% 353 399 752 46 29.530585 -0.000013% 0.000007% 361 408 769 47 29.530559 -0.000101% -0.000081% 376 425 801 49 29.530587 -0.000008% 0.000013% 399 451 850 52 29.530588 -0.000003% 0.000018% 407 460 867 53 29.530565 -0.000081% -0.000060% 422 477 899 55 29.530590 0.000002% 0.000022% 445 503 948 58 29.530591 0.000006% 0.000026% 453 512 965 59 29.530570 -0.000065% -0.000044% 468 529 997 61 29.530592 0.000009% 0.000030% 491 555 1046 64 29.530593 0.000013% 0.000033% 499 564 1063 65 29.530574 -0.000051% -0.000031% 514 581 1095 67 29.530594 0.000016% 0.000036% 530 599 1129 69 29.530558 -0.000105% -0.000085% 537 607 1144 70 29.530594 0.000018% 0.000039% 545 616 1161 71 29.530577 -0.000040% -0.000020% 553 625 1178 72 29.530560 -0.000097% -0.000077% 560 633 1193 73 29.530595 0.000021% 0.000041% 583 659 1242 76 29.530596 0.000023% 0.000043% 591 668 1259 77 29.530580 -0.000031% -0.000011% 599 677 1276 78 29.530564 -0.000084% -0.000063% 606 685 1291 79 29.530596 0.000025% 0.000046% 622 703 1325 81 29.530566 -0.000078% -0.000057% 629 711 1340 82 29.530597 0.000027% 0.000047% 637 720 1357 83 29.530582 -0.000023% -0.000003% 652 737 1389 85 29.530598 0.000029% 0.000049% 653 738 1391 85 29.530554 -0.000120% -0.000100% 668 755 1423 87 29.530569 -0.000067% -0.000047% 675 763 1438 88 29.530598 0.000031% 0.000051% 683 772 1455 89 29.530584 -0.000016% 0.000004% 691 781 1472 90 29.530571 -0.000062% -0.000042% 698 789 1487 91 29.530599 0.000032% 0.000053% 699 790 1489 91 29.530557 -0.000107% -0.000087% 721 815 1536 94 29.530599 0.000034% 0.000054% 729 824 1553 95 29.530586 -0.000010% 0.000010% 737 833 1570 96 29.530573 -0.000053% -0.000033% 744 841 1585 97 29.530599 0.000035% 0.000055% 745 842 1587 97 29.530561 -0.000095% -0.000075% 760 859 1619 99 29.530574 -0.000049% -0.000029% 767 867 1634 100 29.530600 0.000036% 0.000057% 775 876 1651 101 29.530588 -0.000005% 0.000015% 790 893 1683 103 29.530600 0.000038% 0.000058% 791 894 1685 103 29.530564 -0.000085% -0.000065% 806 911 1717 105 29.530577 -0.000042% -0.000022% 813 919 1732 106 29.530600 0.000039% 0.000059% 821 928 1749 107 29.530589 -0.000000% 0.000020% 822 929 1751 107 29.530554 -0.000119% -0.000098% 829 937 1766 108 29.530578 -0.000039% -0.000018% 836 945 1781 109 29.530601 0.000040% 0.000060% 837 946 1783 109 29.530566 -0.000076% -0.000056% 859 971 1830 112 29.530601 0.000041% 0.000061% 867 980 1847 113 29.530590 0.000004% 0.000024% 868 981 1849 113 29.530557 -0.000108% -0.000088% 875 989 1864 114 29.530579 -0.000033% -0.000012% 882 997 1879 115 29.530601 0.000042% 0.000062% 883 998 1881 115 29.530569 -0.000068% -0.000048% 64 results obtained.