Calendar Training

What is the day of the week ?

 

 


Monday
Tuesday
Wednesday
Thursday
Friday
Saturday
Sunday

 

January0July6
February3August2
March3September5
April6October0
May1November3
June4December5

Formula for DD/MM/YYYY : (DD + key(MM) + key(YYYY) + 1 "only if year is bissextile (background color is grey) and month after February") modulo 7

Example : 21 August 1962 => (21 + 2 + 0) modulo 7 = 2 => Tuesday

Example : 11 November 2012 => (11 + 3 + 6 + 1) modulo 7 = 0 => Sunday

Example : 27 February 1996 => (27 + 3 + 0) modulo 7 = 2 => Tuesday

1940 (0)1947 (2)1954 (4)1961 (6)
1941 (2)1948 (3)1955 (5)1962 (0)
1942 (3)1949 (5)1956 (6)1963 (1)
1943 (4)1950 (6)1957 (1)1964 (2)
1944 (5)1951 (0)1958 (2)1965 (4)
1945 (0)1952 (1)1959 (3)1966 (5)
1946 (1)1953 (3)1960 (4)1967 (6)
1968 (0)1975 (2)1982 (4)1989 (6)
1969 (2)1976 (3)1983 (5)1990 (0)
1970 (3)1977 (5)1984 (6)1991 (1)
1971 (4)1978 (6)1985 (1)1992 (2)
1972 (5)1979 (0)1986 (2)1993 (4)
1973 (0)1980 (1)1987 (3)1994 (5)
1974 (1)1981 (3)1988 (4)1995 (6)
1996 (0)2003 (2)2010 (4)2017 (6)
1997 (2)2004 (3)2011 (5)2018 (0)
1998 (3)2005 (5)2012 (6)2019 (1)
1999 (4)2006 (6)2013 (1)2020 (2)
2000 (5)2007 (0)2014 (2)2021 (4)
2001 (0)2008 (1)2015 (3)2022 (5)
2002 (1)2009 (3)2016 (4)2023 (6)