Cron Explainer
Explain a cron expression in plain English and show next run times.
Format: minute hour day month weekday
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Next 5 executions
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About this tool
Processing happens directly in your browser. No files are uploaded to the server.
Cron Explainer translates a standard 5-field cron expression into plain English and lists the next 5 scheduled run times. Supports *, */n, ranges and lists in every field.
How to use
- 1 Type or paste your cron expression (5 fields: minute hour day month weekday).
- 2 The explanation updates instantly below.
- 3 Use the preset buttons for common schedules.
- 4 Check the \"Next 5 runs\" table to verify timing.
Frequently asked questions
What is a cron expression?
Five space-separated fields: minute (0–59), hour (0–23), day of month (1–31), month (1–12), day of week (0–7).
What does */5 mean?
\"Every 5 units\" — for example */5 in the minutes field means every 5 minutes.
Does it support 6-field cron (with seconds)?
No. This tool uses the standard 5-field Unix cron format.
Is my expression stored?
No. Everything runs in your browser.