An easy to use editor for crontab schedules.
Source: crontab.guru – the cron schedule expression editor
1 8 4 * *
random
[minute] [hour] [date] [month] [weekday]
| * | any value |
|---|---|
| , | value list separator |
| – | range of values |
| / | step values |
| @yearly | (non-standard) |
| @annually | (non-standard) |
| @monthly | (non-standard) |
| @weekly | (non-standard) |
| @daily | (non-standard) |
| @hourly | (non-standard) |
More info here: