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Cron Parser

Explain a cron expression in plain English.

Why this exists

Cron expressions schedule backups, log rotation and reports everywhere from crontab to Kubernetes CronJobs — and one misread field means the job fires at the wrong hour. Reads an expression back in plain English.

🔒 Runs in your browser — nothing is sent anywhere

Every 5 minutes, every day.

FieldMatches
minute0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55
hourevery value
day of monthevery value
monthevery value
day of weekevery value
Next 5 runs — in your browser’s timezone

Calculating…

When both day of month and day of week are restricted, cron runs the job when either matches — not both. That surprises almost everyone.