Print out timestamp for each hour between date range

date-hourly.sh

#!/bin/bash
# Print out timestamp for each hour between date range
begin_date=`date +%Y-%m-%d" "%H":00:00" -d "01/01/2016"`
end_date=`date +%Y-%m-%d" "%H":00:00" -d "01/30/2016"`
while [ "$begin_date" != "$end_date" ] ;
do
  begin_date=`date -d "${begin_date}"'1 hour' +%Y-%m-%d" "%H":00:00"`
  converted_date=`date -d "${begin_date}" +%Y%m%d%H`
  echo $converted_date
done