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