This perpetual calendar can be used in any year in the present or past that starts on a Saturday and does not include Leap Day, such as 2061, 2050, 2039, 2033, 2022, 2011, 2005, 1994, 1983, 1977, 1966, 1955, 1949, 1938, 1927, 1921, 1910, 1898, 1887, 1881, 1870, 1859, 1853, and 1842.