Cron Expression Parser

Validate a 5-field cron expression and preview the next N execution times. Supports ranges, lists, steps, and named days/months.

Cron expression (5 fields)

Min: 0 · Hour: 3 · Day: every · Month: every · DOW: every

Next runs (UTC)N

1.Fri, May 15, 2026, 03:00
2.Sat, May 16, 2026, 03:00
3.Sun, May 17, 2026, 03:00
4.Mon, May 18, 2026, 03:00
5.Tue, May 19, 2026, 03:00
6.Wed, May 20, 2026, 03:00
7.Thu, May 21, 2026, 03:00
8.Fri, May 22, 2026, 03:00

5 fields: minute hour day-of-month month day-of-week. Supports ranges (a-b), lists (a,b), steps (*/n), and names (JAN-DEC, SUN-SAT). The Vixie cron OR-DOM/DOW rule is not applied — both fields use AND for predictability.

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All processing runs in your browser — no files or inputs are uploaded to a server.

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