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Cron Expression Builder, Explainer & Next Run Schedule

Build standard 5-part and 6-part cron expressions with a visual schedule picker, translate crons into plain human English, and calculate next 10 execution timestamps.

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1. Cron Syntax (* * * * *)

Presets:

2. Human English Meaning

3. Next 5 Execution Times

    Sponsor Space

    How to Use the Cron Expression Builder, Explainer & Next Run Schedule

    1. 1
      Enter a cron expression like `*/15 * * * *` or `0 9 * * 1-5`, or use the visual drop-downs to set minutes, hours, days, and months.
    2. 2
      Read the instant human-readable sentence explanation.
    3. 3
      Inspect the table of the next 10 exact dates and times when the task will trigger.
    4. 4
      Copy the validated crontab command with one click.

    Practical Example & Use Case

    Common Real-World Scenario

    Verifying that `0 2 * * 0` will run a weekly database backup every Sunday at 2:00 AM before deploying to production.

    Technical Notes & Limitations

    Browser Engine Architecture

    Supports standard 5-field UNIX crontab format (Minute, Hour, Day of Month, Month, Day of Week) plus optional Quartz seconds.

    Frequently Asked Questions

    What does */5 mean in a cron expression?

    The step operator (/) indicates intervals: `*/5` in the minute field means 'every 5 minutes'.