Cron Expression Builder

Build and explain Unix cron schedules in plain English. Click a preset or edit each field.

Presets

Minute (0-59)

Hour (0-23)

Day Mo (1-31)

Month (1-12)

Day Wk (0-6)

* * * * *

Runs every minute, every hour, every day.

Five space-separated fields: minute, hour, day-of-month, month, day-of-week. Use * for any value.

*/5 = every 5 units, 1-5 = range, 1,3,5 = list, * = any value.

0 = Sunday, 1 = Monday ... 6 = Saturday. Some systems also accept 7 = Sunday.

Linux/Mac cron jobs, Kubernetes CronJobs, GitHub Actions schedules, AWS EventBridge rules.