Fields:
1) minute of the hour, 00-59Examples:
# MIN HOUR DAY MONTH DAYOFWEEK # at 6:10 a.m. every day 10 6 * * * # every two hours at the top of the hour 0 */2 * * * # every two hours from 11p.m. to 7a.m., and at 8a.m. 0 23-7/2,8 * * * # at 11:00 a.m. on the 4th and on every mon, tue, wed 0 11 4 * 1-3 # 4:00 a.m. on january 1st 0 4 1 1 *