TOOLS · CRON
Understand any cron expression in plain English.
Paste a 5-field cron expression and see exactly when it runs, field by field. Useful for scheduled jobs, backups, and CI pipelines.
Every 15 minutes, between 09:00 and 17:59, Monday through Friday
*/15
Minute
9-17
Hour
*
Day of month
*
Month
1-5
Day of week
The Five Fields
- Minute (0-59)
- Hour (0-23)
- Day of month (1-31)
- Month (1-12)
- Day of week (0-6, where 0 is Sunday)
How This Tool Works
The expression is turned into a sentence by the cronstrue library, running in your browser. Nothing is sent to a server, and the explanation updates as you edit the expression.
Examples to Try
- 0 9 * * 1-5 means 09:00 on weekdays.
- */15 * * * * means every 15 minutes.
- 0 0 1 * * means midnight on the first day of each month.