Cron Explainer

Turn a cron expression into plain English plus the next five run times.

How to use

Type a standard five-field cron expression and an optional reference time, then press Explain. Each field accepts *, single values, ranges, steps such as */15, and comma lists.

FAQ

The parser is a hand-written matcher, so day-of-month and day-of-week combine with OR exactly as real cron does: restricting both means either one fires. Day-of-week accepts 0 through 7, where both 0 and 7 mean Sunday.

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