What cron syntax does it understand?

Standard fields with *, step values (*/n), ranges (a-b), lists (a,b,c), and combinations — for minute, hour, day-of-month, month, and day-of-week.

How are day-of-month and day-of-week combined?

It follows standard cron behavior: when both are restricted, a time matches if either matches; otherwise both must match.

Cron Expression Explainer

Paste a cron expression to understand exactly what it does. Get a plain-English summary, a per-field breakdown, and the next scheduled run times — computed live in your browser.

How to use Cron Expression Explainer

Enter a 5-field cron expression (an optional leading seconds field is supported).
Read the plain-English summary and field-by-field breakdown.
Check the list of upcoming run times.

Frequently asked questions

What cron syntax does it understand?: Standard fields with *, step values (*/n), ranges (a-b), lists (a,b,c), and combinations — for minute, hour, day-of-month, month, and day-of-week.
How are day-of-month and day-of-week combined?: It follows standard cron behavior: when both are restricted, a time matches if either matches; otherwise both must match.

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