何曜日生まれ？What Day of Your Birthday
生まれた曜日の割り出し方
「例えば1970年１１月２１日生まれが何曜日か知りたい」
- 1.表（１）で1970年と１１月の交わる欄を見る → 0
- 2.１で出した数に生まれた日を足す→0+21=21
- 3.２で出した数が何曜日に当たるか表（２）で確認→土曜日
表（1）
| 年 | 1月 | 2月 | 3月 | 4月 | 5月 | 6月 | 7月 | 8月 | 9月 | 10月 | 11月 | 12月 | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1897 | 1925 | 1953 | 1981 | 4 | 0 | 0 | 3 | 5 | 1 | 3 | 6 | 2 | 4 | 0 | 2 |
| 1898 | 1926 | 1954 | 1982 | 5 | 1 | 1 | 4 | 6 | 2 | 4 | 0 | 3 | 5 | 1 | 3 |
| 1899 | 1927 | 1955 | 1983 | 6 | 2 | 2 | 5 | 0 | 3 | 5 | 1 | 4 | 6 | 2 | 4 |
| 1900 | 1928 | 1956 | 1984 | 0 | 3 | 4 | 0 | 2 | 5 | 0 | 3 | 6 | 1 | 4 | 6 |
| 1901 | 1929 | 1957 | 1985 | 2 | 5 | 5 | 1 | 3 | 6 | 1 | 4 | 0 | 2 | 5 | 0 |
| 1902 | 1930 | 1958 | 1986 | 3 | 6 | 6 | 2 | 5 | 0 | 2 | 5 | 1 | 3 | 6 | 1 |
| 1903 | 1931 | 1959 | 1987 | 4 | 0 | 0 | 3 | 5 | 1 | 3 | 6 | 2 | 4 | 0 | 2 |
| 1904 | 1932 | 1960 | 1988 | 5 | 1 | 2 | 5 | 0 | 3 | 5 | 1 | 4 | 6 | 2 | 4 |
| 1905 | 1933 | 1961 | 1989 | 0 | 3 | 3 | 6 | 1 | 4 | 6 | 2 | 5 | 0 | 3 | 5 |
| 1906 | 1934 | 1962 | 1990 | 1 | 4 | 4 | 0 | 2 | 5 | 0 | 3 | 6 | 1 | 4 | 6 |
| 1907 | 1935 | 1963 | 1991 | 2 | 5 | 5 | 1 | 3 | 6 | 1 | 4 | 0 | 2 | 5 | 0 |
| 1908 | 1936 | 1964 | 1992 | 3 | 6 | 0 | 3 | 5 | 1 | 3 | 6 | 2 | 4 | 0 | 2 |
| 1909 | 1937 | 1965 | 1993 | 5 | 1 | 1 | 4 | 6 | 2 | 4 | 0 | 3 | 5 | 1 | 3 |
| 1910 | 1938 | 1966 | 1994 | 6 | 2 | 2 | 5 | 0 | 3 | 5 | 1 | 4 | 6 | 2 | 4 |
| 1911 | 1939 | 1967 | 1995 | 0 | 3 | 3 | 6 | 1 | 4 | 6 | 2 | 5 | 0 | 3 | 5 |
| 1912 | 1940 | 1968 | 1996 | 1 | 4 | 5 | 1 | 3 | 6 | 1 | 4 | 0 | 2 | 5 | 0 |
| 1913 | 1941 | 1969 | 1997 | 3 | 6 | 6 | 2 | 4 | 0 | 2 | 5 | 1 | 3 | 6 | 1 |
| 1914 | 1942 | 1970 | 1998 | 4 | 0 | 0 | 3 | 5 | 1 | 3 | 6 | 2 | 4 | 0 | 2 |
| 1915 | 1943 | 1971 | 1999 | 5 | 1 | 1 | 4 | 6 | 2 | 4 | 0 | 3 | 5 | 1 | 3 |
| 1916 | 1944 | 1972 | 6 | 2 | 3 | 6 | 1 | 4 | 6 | 2 | 5 | 0 | 3 | 5 | |
| 1917 | 1945 | 1973 | 1 | 4 | 4 | 0 | 2 | 5 | 0 | 3 | 6 | 1 | 4 | 6 | |
| 1918 | 1946 | 1974 | 2 | 5 | 5 | 1 | 3 | 6 | 1 | 4 | 0 | 2 | 5 | 0 | |
| 1919 | 1947 | 1975 | 3 | 6 | 6 | 2 | 4 | 0 | 2 | 5 | 1 | 3 | 6 | 1 | |
| 1920 | 1948 | 1976 | 4 | 0 | 1 | 4 | 6 | 2 | 4 | 0 | 3 | 5 | 1 | 3 | |
| 1921 | 1949 | 1977 | 6 | 2 | 2 | 5 | 0 | 3 | 5 | 1 | 4 | 6 | 2 | 4 | |
| 1922 | 1950 | 1978 | 0 | 3 | 3 | 6 | 1 | 4 | 6 | 2 | 5 | 0 | 3 | 5 | |
| 1923 | 1951 | 1979 | 1 | 4 | 4 | 0 | 2 | 5 | 0 | 3 | 6 | 1 | 4 | 6 | |
| 1924 | 1952 | 1980 | 2 | 5 | 6 | 2 | 4 | 0 | 2 | 5 | 1 | 3 | 6 | 1 | |
表（2）
| 日 | 月 | 火 | 水 | 木 | 金 | 土 |
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | |
| 8 | 9 | 10 | 11 | 12 | 13 | 7 |
| 15 | 16 | 17 | 18 | 19 | 20 | 14 |
| 22 | 23 | 24 | 25 | 26 | 27 | 21 |
| 29 | 30 | 31 | 32 | 33 | 34 | 28 |
| 36 | 37 | 35 |
