Cron Expression Parser
Parse and validate cron expressions with readable output
Paste a cron expression and get a plain-English explanation of when it runs, plus a preview of the next scheduled execution times. It removes the guesswork from fields like "*/15" or "0 0 * * 1", helping you build and debug schedules for cron jobs, CI pipelines, and task schedulers with confidence.
How to use Cron Expression Parser
- Enter a standard cron expression (for example, 0 9 * * 1-5).
- Read the human-readable description of the schedule.
- Review the upcoming run times it predicts.
- Adjust the fields until the schedule matches your intent.
Frequently asked questions
What cron format does it expect?
Standard five-field cron syntax (minute, hour, day-of-month, month, day-of-week), the format used by most Unix cron daemons and schedulers.
Why is my Monday job running on Sunday?
Cron day-of-week fields treat 0 as Sunday, and some systems also accept 7 as Sunday. The parser shows the resolved schedule so you can verify the day mapping.
Can it show the next run times?
Yes. It computes the upcoming execution times from the expression so you can confirm the cadence before deploying the job.
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