22 June All Rus Saints Holiday Years List

#!/bin/bash
YEAR_FROM=1930
YEAR_TO=2100
for i in $(seq $YEAR_FROM $YEAR_TO) ;
    do LANG=C date --date=@`echo \`date --date="\\\`LANG=C ncal -o $i\\\`" +%s\` + 86400 \* 7 \* 9 | bc -l` | awk '/Jun 22/ { print $NF }';
done