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Cron expression reader
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About this tool
Explain a five-field cron expression with a summary and per-field descriptions.
Common uses
- Explain a five-field cron expression with a summary and per-field descriptions.
- Enter a numeric five-field expression such as */15 * * * *.
How to use it
- 1.Enter a numeric five-field expression such as */15 * * * *.
- 2.Read the minute, hour, day and month interpretation, then copy the explanation.
Limits and notes
- Supports numeric lists, ranges and steps; seconds, years, named months/weekdays and L/W/# extensions are not supported.
- For day-of-month and weekday, a field starting with * uses AND with the other day field; otherwise the two restrictions use OR, including explicit full ranges.
Frequently asked questions
What does this tool do?
Explain a five-field cron expression with a summary and per-field descriptions.
What should I check before using the result?
Supports numeric lists, ranges and steps; seconds, years, named months/weekdays and L/W/# extensions are not supported. For day-of-month and weekday, a field starting with * uses AND with the other day field; otherwise the two restrictions use OR, including explicit full ranges.