What 0 */6 * * * means
Four times a day at midnight, 6am, noon and 6pm — handy for feed refreshes that should track the working day loosely.
In plain English, cron reads this as: on the hour, every 6 hours, every day.
Field-by-field breakdown
| Field | Value | Meaning |
|---|---|---|
| Minute | 0 | at 0 |
| Hour | */6 | every 6 |
| Day of month | * | every value |
| Month | * | every value |
| Day of week | * | every value |
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.