$> date Sun Jan 17 22:49:40 EST 2016 $> date -d"04:00" Sun Jan 17 04:00:00 EST 2016 $> date -d"04:00 +1 day" Sun Jan 17 22:00:00 EST 2016
To fix this, a work around for me now is: $> date -d"$(date -d"04:00") +1 day" Mon Jan 18 04:00:00 EST 2016 +AMD
