Cron Builder
Point, click, get a cron expression.
0 9 * * 1-5Runs at 09:00, Monday through Friday.
Next 5 fire times
- 1Mon, Aug 3, 09:00 AM
- 2Tue, Aug 4, 09:00 AM
- 3Wed, Aug 5, 09:00 AM
- 4Thu, Aug 6, 09:00 AM
- 5Fri, Aug 7, 09:00 AM
Builds a standard 5-field crontab line (minute · hour · day-of-month · month · day-of-week). The companion Cron Explainer decodes expressions the other way, including 6-field variants with seconds.
About this tool
Assemble a crontab line from dropdowns for each field, then preview the plain-English meaning and next fire times before pasting it into your crontab.
It runs completely in your browser — no input is sent anywhere, and this page loads no ads or third-party scripts, so it is safe to use with data you would not paste into a hosted service.