Runs locally
Cron Expression Explainer
Explain a five-field cron expression.
Ctrl+Enter runs. Ctrl+Shift+Backspace clears.
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Describes minute, hour, day, month and weekday. It does not install a schedule.
About this tool
Check what a crontab line, a Kubernetes CronJob or a CI schedule actually means before you deploy it. Paste the expression and each of the five fields is explained.
How to use it
- 01
Paste a five-field cron expression.
- 02
Read the explanation of each field.
- 03
Adjust the expression until it matches your intent.
FAQ
Frequently asked questions
Are six-field expressions with seconds supported?
No. The tool expects the standard five fields: minute, hour, day of month, month and day of week.
Does it schedule anything?
No. It only explains the expression; nothing is installed or run.