How to Use the Cron Explainer
Instantly translate complex cron expressions into simple, plain English text.
Steps
- Type or paste any standard 5-field cron expression into the input box.
- Read the plain-English explanation generated directly below the input.
- View the list of the next upcoming run dates calculated automatically.
About This Tool
This tool uses pure JavaScript date arithmetic to parse standard 5-field cron syntax (including lists, ranges, and steps) and computes upcoming execution times using an efficient field-skipping algorithm.
FAQs
1. Does it support 6-field cron with seconds?
Currently, the tool handles standard 5-field expressions (minute, hour, day, month, weekday), which is the most widely supported format.
2. Are time zones supported?
The calculated next run dates are displayed according to your system's local time zone.
3. Why does my expression show an error?
Errors usually occur if there are too many/few fields, or if characters like "?" are used which are only supported in certain specific cron dialects.