1968 1969 1970 1971 1972 1973 1974
1940 1950 1960 1970 1980 1990 2000
17 18 19 20 21 22 23
-1 0 1 2 3 4 5
1971 se 1971m ane nan almanak gregoryen.
Gade osi nonm 1971.