cron parser
# ┌───────────────────── minute (0 - 59)
# │ ┌─────────────────── hour (0 - 23)
# │ │ ┌───────────────── dom (1 - 31) day of month
# │ │ │ ┌─────────────── month (1 - 12)
# │ │ │ │ ┌───────────── dow (0 - 6) day of week (Sunday to Saturday)
# │ │ │ │ │
# │ │ │ │ │
# │ │ │ │ │
# * * * * * command to execute
| Field | Required | Allowed values | Allowed special characters |
|---|---|---|---|
| Minutes | Yes | 0–59 | * , - / |
| Hours | Yes | 0–23 | * , - / |
| Day of month | Yes | 1–31 | * , - / |
| Month | Yes | 1–12 | * , - / |
| Day of week | Yes | 0–6 | * , - / |
*any value,value list separator-range of values/step values