----------------------- function print_date_by_unix_time { LOCALE="+9hour" date -d "1970-01-01 $1 seconds ${LOCALE}" } ----------------------- Output Example # print_date_by_unix_time `date +%s` Fri Jan 29 20:40:23 KST 2016 # print_date_by_unix_time 1354067587 Wed Nov 28 10:53:07 KST 2012