Rodrigo de AvilaCrontab
the_command Runs Only on Odd Days
test $(((`date +%j` % 2))) != 0 && the_commandthe_command Runs Only on Odd Minutes
test $(((`date +%M` % 2))) != 0 && the_commandthe_command Runs Only on Even Days
test $(((`date +%j` % 2))) == 0 && the_commandthe_command Runs Only on Even Minutes
test $(((`date +%M` % 2))) == 0 && the_command