Cron Expression Builder

Build 5-field cron expressions, see a plain-English explanation and preview next run times. Nothing is sent to any server.

Cron fields

Minute

Hour

Day of month

Month

Day of week

Result

Cron expression

* * * * *

Format: minute hour day-of-month month day-of-week

Explanation

every minute, of every hour, every day

Next 5 runs (local time)

Could not calculate upcoming runs.

Supports 5-field cron syntax (Unix, Kubernetes CronJob, Spring). Handles *, 1-5, 0,6, */5.

Why a cron builder is useful

Cron expressions are powerful but easy to mis-type. A single wrong field can make your job run far too often or never. This builder lets you configure schedules with simple controls and shows a plain-English explanation plus next run times, so you can be confident the expression does what you expect.

Use this when configuring Kubernetes CronJob resources, Spring Boot @Scheduled tasks, CI pipelines or any cron-based scheduler.