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Cron generator

A local cron helper: validate a 5-field expression, build schedules by minute, hour, day, month and weekday, and preview upcoming runs in your current timezone.

Use cases
CI schedulesKubernetes CronJobBackupsRecurring jobs
Cron expression
Build schedule
*/15 9-18 * * 1-5

How to use it

  1. 1Paste a 5-field cron expression: minute hour day month weekday.
  2. 2Click Parse to see the description and upcoming runs.
  3. 3Use the builder when you need to assemble a simple schedule quickly.
  4. 4Check the timezone caveat before moving the expression to a server runtime.

Questions

Is the cron expression sent to a server?

No. Parsing, generation and next-run calculation happen locally in your browser.

Which cron format is supported?

The tool supports the standard 5-field format: minute hour day month weekday. Seconds and year are not used.

Are MON or JAN supported?

Yes. Month and weekday fields accept numeric values and short English aliases such as JAN, MON and FRI.

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