Cron Expression Explainer
Explain a standard five-field cron expression and preview its next five UTC runs.

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Use cron expression explainer
Runs in this browser tab
Result
How to use it
Paste a five-field cron expression to read its fields and preview the next five UTC runs.
Try this example
0 9 * * 1-5
What to check
Previews use UTC. Vendor-specific cron extensions and other timezones are not supported.
Review the result before using it in a published page, application, or agent configuration.
Quick answers
Frequently asked questions
Which cron syntax can the helper explain?
It accepts five numeric fields with wildcards, lists, ranges, and steps. Vendor-specific names and extensions are outside this helper.
How are the next cron runs calculated?
The preview shows five future instants in UTC using standard day-of-month and weekday matching. Your scheduler's timezone may differ.
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