How Crontab works

MIN Minute 0-60
HOUR Hour [24-hour clock] 0-23
MDAY Day of Month 1-31
MON Month 1-12 OR jan,feb,mar,apr …
DOWDay of Week 0-6 OR sun,mon,tue,wed,thu,fri,sat
COMMAND Command to be run Any valid command-line

MIN HOUR MDAY MON DOW COMMAND

5 * * * * echo ‘Hello’