15 Min Hour Day Mon Weekday
20 * * * * * command to be executed
25 │ │ │ │ └─ Weekday (0=Sun .. 6=Sat)
26 │ │ │ └────── Month (1..12)
27 │ │ └─────────── Day (1..31)
28 │ └──────────────── Hour (0..23)
29 └───────────────────── Minute (0..59)
31 {: .-setup.-box-chars}
35 | Example | Description |
37 | `0 * * * *` | every hour |
38 | `*/15 * * * *` | every 15 mins |
39 | `0 */2 * * *` | every 2 hours |
40 | `0 0 * * 0` | every Sunday midnight |
42 | `@reboot` | every reboot |
48 echo "@reboot echo hi" | crontab