What 0 0 * * 0 means
Midnight as Sunday begins — a common weekly boundary for rotating logs and resetting counters, and the schedule cron reports for a once-a-week job.
In plain English, cron reads this as: at 12:00 am, only on sunday.
Field-by-field breakdown
| Field | Value | Meaning |
|---|---|---|
| Minute | 0 | at 0 |
| Hour | 0 | at 0 |
| Day of month | * | every value |
| Month | * | every value |
| Day of week | 0 | at 0 |
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.