Developer tool
Cron Expression Explainer
Paste a cron expression and read what each field means.
Processed in your browser. The text is not sent to our servers.
How to read a cron expression
- Paste five fields, or six when the first field is seconds.
- Click Explain cron.
- Read the plain-language line for each field.
Five fields are minute, hour, day of month, month, and day of week. A sixth field at the start is treated as seconds. Stars, steps, ranges, and comma lists are explained.
Frequently asked questions
What does 0 mean for the day of week?
Sunday. 7 is also Sunday. 1 is Monday.
Is the expression uploaded?
No. The explanation is built in your browser.