(0-59) Examples: * (every), */15 (every 15), 0,30 (at 0 and 30)

(0-23)

(1-31)

(1-12)

(0-7) 0=Sun, 1=Mon, 2=Tue, 3=Wed, 4=Thu, 5=Fri, 6=Sat, 7=Sun