Custom Cron Expression
    Following are the few examples for Cron expression:
| EXPRESSION | MEANS | 
|---|---|
| 0 0 12 * * ? | Fire at 12:00 PM (noon) every day | 
| 0 15 10 ? * * | Fire at 10:15 AM every day | 
| 0 15 10 * * ? | Fire at 10:15 AM every day | 
| 0 15 10 * * ? * | Fire at 10:15 AM every day | 
| 0 15 10 * * ? 2005 | Fire at 10:15 AM every day during the year 2005 | 
| 0 * 14 * * ? | Fire every minute starting at 2:00 PM and ending at 2:59 PM, every day | 
| 0 0/5 14 * * ? | Fire every 5 minutes starting at 2:00 PM and ending at 2:55 PM, every day | 
| 0 0/5 14,18 * * ? | Fire every 5 minutes starting at 2:00 PM and ending at 2:55 PM, AND fire every 5 minutes starting at 6:00 PM and ending at 6:55 PM, every day | 
| 0 0-5 14 * * ? | Fire every minute starting at 2:00 PM and ending at 2:05 PM, every | 
| 0 10,44 14 ? 3 WED | Fire at 2:10 PM and at 2:44 PM every Wednesday in the month of March | 
| 0 15 10 ? * MON-FRI | Fire at 10:15 AM every Monday, Tuesday, Wednesday, Thursday, and Friday | 
| 0 15 10 15 * ? | Fire at 10:15 AM on the 15th day of every month | 
| 0 15 10 L * ? | Fire at 10:15 AM on the last day of every month | 
| 0 15 10 ? * 6L | Fire at 10:15 AM on the last Friday of every month | 
| 0 15 10 ? * 6L 2002-2005 | Fire at 10:15 AM on every last Friday of every month during the years 2002, 2003, 2004, and 2005 | 
| 0 15 10 ? * 6#3 | Fire at 10:15 AM on the third Friday of every month | 
| 0 0 12 1/5 * ? | Fire at 12 PM (noon) every 5 days every month, starting on the first day of the month | 
| 0 11 11 11 11 ? | Fire every November 11 at 11:11 AM | 
| 0 * * ? * * | Every minute | 
| 0 */2 * ? * * | Every even minute | 
| 0 1/2 * ? * * | Every uneven minute | 
| 0 */2 * ? * * | Every 2 minutes | 
| 0 */3 * ? * * | Every 3 minutes | 
| 0 */4 * ? * * | Every 4 minutes | 
| 0 */5 * ? * * | Every 5 minutes | 
| 0 */10 * ? * * | Every 10 minutes | 
| 0 */15 * ? * * | Every 15 minutes | 
| 0 */30 * ? * * | Every 30 minutes | 
| 0 15,30,45 * ? * * | Every hour at minutes 15, 30 and 45 | 
| 0 0 * ? * * | Every hour | 
| 0 0 */2 ? * * | Every hour | 
| 0 0 0/2 ? * * | Every even hour | 
| 0 0 1/2 ? * * | Every uneven hour | 
| 0 0 0/3 1/1 * ? * | Every three hours | 
| 0 0 0/4 1/1 * ? * | Every four hours | 
| 0 0 0/6 1/1 * ? * | Every six hours | 
| 0 0 0/8 1/1 * ? * | Every eight hours | 
| 0 0 0/12 1/1 * ? * | Every twelve hours | 
| 0 0 0 * * ? | Every day at midnight - 12am | 
| 0 0 1 * * ? | Every day at 1am | 
| 0 0 6 * * ? | Every day at 6am | 
| 0 0 12 * * ? | Every day at noon - 12pm | 
| 0 0 12 ? * SUN * | Every Sunday at noon | 
| 0 0 12 ? * MON * | Every Monday at noon | 
| 0 0 12 ? * TUE * | Every Tuesday at noon | 
| 0 0 12 ? * WED * | Every Wednesday at noon | 
| 0 0 12 ? * THU * | Every Thursday at noon | 
| 0 0 12 ? * FRI * | Every Friday at noon | 
| 0 0 12 ? * SAT * | Every Saturday at noon | 
| 0 0 12 ? * MON,TUE,WED,THU,FRI * | Every Weekday at noon | 
| 0 0 12 ? * SAT,SUN * | Every Saturday and Sunday at noon | 
| 0 0 12 */7 * ? | Every 7 days at noon | 
| 0 0 12 1 * ? | Every month on the 1st, at noon | 
| 0 0 12 2 * ? | Every month on the 2nd, at noon | 
| 0 0 12 15 * ? | Every month on the 15th, at noon | 
| 0 0 12 1/2 * ? | Every 2 months on the 1st, at noon | 
| 0 0 12 1/4 * ? | Every 4 months on the 1st, at noon | 
| 0 0 12 L * ? | Every month on the last day of the month, at noon | 
| 0 0 12 LW * ? | Every month on the last weekday, at noon | 
| 0 0 12 ? 1/1 SUN#4 * | Every month on the last Sunday, at noon | 
| 0 0 12 ? 1/1 MON#4 * | Every month on the last Monday, at noon | 
| 0 0 12 ? 1/1 FRI#4 * | Every month on the last Friday, at noon | 
| 0 0 12 1W * ? | Every month on the nearest Weekday to the 1st of the month, at noon | 
| 0 0 12 15W * ? | Every month on the nearest Weekday to the 15th of the month, at noon | 
| 0 0 12 ? * 2#1 | Every month on the first Monday of the Month, at noon | 
| 0 0 12 ? * 6#1 | Every month on the first Friday of the Month, at noon | 
| 0 0 12 ? * 2#2 | Every month on the second Monday of the Month, at noon | 
| 0 0 12 ? * 5#3 | Every month on the third Thursday of the Month, at noon - 12pm | 
| 0 0 12 ? JAN * | Every day at noon in January only | 
| 0 0 12 ? JUN * | Every day at noon in June only | 
| 0 0 12 ? JAN,JUN * | Every day at noon in January and June | 
| 0 0 12 ? DEC * | Every day at noon in December only | 
| 0 0 12 ? JAN,FEB,MAR,APR * | Every day at noon in January, February, March, and April | 
| 0 0 12 ? 9-12 * | Every day at noon between September and December | 
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