Par exemple pour le 1er juillet à partir de 1979 à l'année courante :
DAY=01; MONTH=07; YEAR=1979; CURRENT_YEAR=$(date +%Y); for i in $(seq $YEAR $CURRENT_YEAR); do echo -n "$i -> "; date --date "$i-$MONTH-$DAY" +%A; done

Distance calculator helps you to find the distance between cities and calculate the flying distance in both kilometers and miles.