cron examples
0 * * * * every hour */15 * * * * every 15 mins 0 */2 * * * every 2 hours 0 18 * * 0-6 every week Mon-Sat at 6pm 10 2 * * 6,7 every Sat and Sun on 2:10am 0 0 * * 0 every Sunday midnight @reboot every reboot
Source: devhints.io
cron syntax
* * * * * command to execute │ │ │ │ │ │ │ │ │ └─── day of week (0 - 6) (0 to 6 are Sunday to Saturday, or use names; 7 is Sunday, the same as 0) │ │ │ └──────── month (1 - 12) │ │ └───────────── day of month (1 - 31) │ └────────────────── hour (0 - 23) └─────────────────────── min (0 - 59)
Source: ole.michelsen.dk