Date LOD Error (yr) (ms) (ms) 1832.5 -1.3254 0.6011 1833.5 -1.0422 0.5705 1834.5 -0.6979 0.5670 1835.5 -0.4074 0.5600 1836.5 -0.1781 0.5495 1837.5 0.0231 0.5354 1838.5 0.0923 0.5255 1839.5 0.0568 0.5222 1840.5 -0.0496 0.5222 1841.5 -0.0939 0.5298 1842.5 -0.0441 0.5401 1843.5 0.2966 0.5493 1844.5 0.5219 0.5447 1845.5 0.5765 0.5303 1846.5 0.4953 0.5121 1847.5 0.5554 0.5002 1848.5 0.5234 0.4900 1849.5 0.3381 0.5003 1850.5 0.2487 0.5125 1851.5 0.5245 0.5300 1852.5 0.7314 0.5399 1853.5 0.5653 0.5493 1854.5 0.4760 0.5503 1855.5 0.4888 0.5561 1856.5 0.3615 0.5556 1857.5 0.0566 0.5546 1858.5 -0.1613 0.5505 1859.5 -0.2636 0.5409 1860.5 -0.4459 0.5263 1861.5 -0.7894 0.5119 1862.5 -0.9662 0.4933 1863.5 -1.2553 0.4812 1864.5 -1.7841 0.4763 1865.5 -2.2262 0.4728 1866.5 -2.4450 0.4739 1867.5 -2.8397 0.4908 1868.5 -3.2369 0.5040 1869.5 -3.2728 0.5176 1870.5 -2.9486 0.5268 1871.5 -2.6015 0.5361 1872.5 -2.1678 0.5327 1873.5 -1.6655 0.5205 1874.5 -1.3436 0.5052 1875.5 -1.4100 0.4963 1876.5 -1.5422 0.4911 1877.5 -1.5307 0.4852 1878.5 -1.1921 0.4839 1879.5 -0.8910 0.4825 1880.5 -0.3036 0.4723 1881.5 -0.1007 0.4687 1882.5 -0.1856 0.4654 1883.5 -0.2439 0.4618 1884.5 -0.2376 0.4567 1885.5 -0.2336 0.4589 1886.5 -0.1307 0.4672 1887.5 -0.1788 0.4880 1888.5 -0.4181 0.4962 1889.5 -0.5222 0.4992 1890.5 -0.3298 0.4860 1891.5 -0.1843 0.4781 1892.5 -0.1106 0.4622 1893.5 -0.0512 0.4395 1894.5 0.3489 0.4104 1895.5 1.0009 0.3956 1896.5 1.5798 0.4020 1897.5 1.9823 0.4070 1898.5 2.4358 0.4058 1899.5 2.7879 0.4008 1900.5 3.3759 0.4041 1901.5 3.5997 0.4070 1902.5 3.6805 0.4128 1903.5 3.4660 0.4165 1904.5 3.1690 0.4187 1905.5 3.1710 0.4215 1906.5 3.2647 0.4283 1907.5 3.5239 0.4350 1908.5 3.6558 0.4375 1909.5 3.6327 0.4293 1910.5 3.6758 0.4242 1911.5 3.6258 0.4230 1912.5 3.8311 0.4235 1913.5 3.6079 0.4221 1914.5 3.2419 0.4244 1915.5 2.7533 0.4296 1916.5 2.8226 0.4337 1917.5 2.6845 0.4383 1918.5 1.9193 0.4519 1919.5 1.2874 0.4674 1920.5 1.2601 0.4722 1921.5 1.4201 0.4584 1922.5 1.0071 0.4374 1923.5 0.6224 0.4121 1924.5 0.4644 0.3950 1925.5 0.4575 0.3865 1926.5 0.3247 0.3786 1927.5 0.0435 0.3689 1928.5 -0.1716 0.3666 1929.5 -0.0981 0.3691 1930.5 -0.0457 0.3700 1931.5 0.1467 0.3656 1932.5 0.1193 0.3587 1933.5 0.1679 0.3499 1934.5 -0.0909 0.3433 1935.5 -0.1788 0.3418 1936.5 -0.0946 0.3487 1937.5 0.1851 0.3507 1938.5 0.5489 0.3573 1939.5 0.6794 0.3685 1940.5 0.9642 0.3845 1941.5 1.1406 0.3885 1942.5 1.4046 0.3798 1943.5 1.5396 0.3666 1944.5 1.4817 0.3606 1945.5 1.4117 0.3585 1946.5 1.2692 0.3580 1947.5 1.1571 0.3591 1948.5 1.0998 0.3657 1949.5 1.0792 0.3659 1950.5 1.2933 0.3620 1951.5 1.2414 0.3570 1952.5 1.2913 0.3511 1953.5 0.9279 0.3471 1954.5 0.9608 0.3563 1955.5 0.8295 0.3014 1956.5 0.8690 0.1295 1957.5 1.2435 0.1207 1958.5 1.2559 0.1201 1959.5 1.1627 0.1190 1960.5 1.0440 0.1182 1961.5 0.9789 0.1169 1962.5 1.2095 0.1093 1963.5 1.4774 0.1095 1964.5 1.9331 0.1066 1965.5 2.2509 0.1058 1966.5 2.5171 0.1062 1967.5 2.4852 0.0998 1968.5 2.6225 0.1004 1969.5 2.8259 0.0981 1970.5 2.8452 0.0954 1971.5 3.0067 0.0890 1972.5 3.1920 0.0810 1973.5 3.0683 0.0804 1974.5 2.6885 0.0821 1975.5 2.6103 0.0801 1976.5 2.7842 0.0816 1977.5 2.6479 0.0781 1978.5 2.7312 0.0810 1979.5 2.4677 0.0778 1980.5 2.1881 0.0710 1981.5 2.0775 0.0662 1982.5 2.1288 0.0565 1983.5 2.2874 0.0513 1984.5 1.5807 0.0469 1985.5 1.5632 0.0394 1986.5 1.3624 0.0345 1987.5 1.5002 0.0339 1988.5 1.4638 0.0325 1989.5 1.6527 0.0313 1990.5 2.0372 0.0299 1991.5 2.0828 0.0292 1992.5 2.2246 0.0271 1993.5 2.3237 0.0279 1994.5 2.0950 0.0288 1995.5 2.1790 0.0270 1996.5 1.6845 0.0280 1997.5 1.6924 0.0279