Cron expression helper

Understand schedule syntax and preview upcoming run times.

Explain a common 5-field cron and preview the next local-time runs.

Local · no upload · 5 fields only

Expression

Cron (minute hour dom month dow)

Example: 30 9 * * 1-5 = 09:30 on weekdays. Sunday may be 0 or 7.

Next runs to show

Limits

Only the common 5-field form. No seconds, year, @macros, or month/dow names.
Supports *, lists, ranges, and steps. When both DOM and DOW are restricted, either may match (classic cron OR).
Next-run search walks minute-by-minute up to about one year, max 10 results, local timezone.

How do I use it?

Enter a cron expression to see the explanation.

Is anything uploaded?

Everything runs locally in your browser and is not uploaded.

How is this different?

Estimates only—timezone and runtime engines may differ.