Cron triggers

Fire every five minutes. It should fire on 0, 5, 10 ... 55 minute mark
"0 0/5 * * * ?"

Fire every hour
"0 0 * * * ?"

Fire every 2 hours. It should fire on the hours 0, 2, 4 ... 22
"0 0 0/2 * * ?"

Fire every 10 minutes. It should fire on the minutes 0, 10, 20 ... 50
"20 0/10 * * * ?"

Fire every half an hour between 8AM AM to 12PM
"0 0/30 8-12 * * ?"

Fire every tuesday at 12:15pm
"0 15 12 ? * TUE"

Fire everyday at 1:30am
"0 30 1 ? * MON-SUN"