What 0 9 * * 3 means
Nine on Wednesday morning — the mid-week slot, cron day-of-week 3.
In plain English, cron reads this as: at 09:00 am, only on wednesday.
Field-by-field breakdown
| Field | Value | Meaning |
|---|---|---|
| Minute | 0 | at 0 |
| Hour | 9 | at 9 |
| Day of month | * | every value |
| Month | * | every value |
| Day of week | 3 | at 3 |
Editing this schedule
To adjust this expression or explain a different one, open the full cron expression parser — it explains any crontab line, lists upcoming runs and breaks down each field as you type. New to the syntax? The practical guide to cron expressions walks through every field with worked examples.