Cron Expression Generator & Explainer

Type a cron expression to get a plain-English explanation and the next run times. Everything runs in your browser — nothing is sent anywhere.

Explanation

Field breakdown

Next 5 runs (your local time)

    What is a cron expression?

    A cron expression is a string of five fields that tells a scheduler when to run a job: minute, hour, day of month, month, and day of week. Each field accepts a value, a list (1,15), a range (1-5), a step (*/10), or * for "every".

    Need a ready-made one? Browse common schedules on the home page.

    Will you know if this job silently fails?

    Cron jobs fail quietly — a server reboots, a path changes, or an error code is ignored — and nobody notices until the data is missing. A cron monitor (a dead-man’s-switch) alerts you when a scheduled job does not check in on time.

    Monitor your cron jobs with UptimeRobot →

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