Cron Expression Validator - Test & Explain Cron Syntax
Validate cron expressions and see next run times. Supports standard cron, Kubernetes CronJobs, and extended syntax. Human-readable explanations.
Format: minute hour day-of-month month day-of-week
Cron Field Reference
| Field | Values | Special |
|---|---|---|
| Minute | 0-59 | * , - / |
| Hour | 0-23 | * , - / |
| Day of Month | 1-31 | * , - / |
| Month | 1-12 or JAN-DEC | * , - / |
| Day of Week | 0-6 or SUN-SAT | * , - / |
Special Characters
* — Any value, — Multiple values (1,3,5)- — Range (1-5)/ — Step (*/15 = every 15)Validation Result
Next 10 Run Times
| # | Date & Time | Relative |
|---|---|---|
| Enter a valid cron expression | ||
Kubernetes CronJob
apiVersion: batch/v1
kind: CronJob
metadata:
name: my-cronjob
spec:
schedule: "0 9 * * 1-5"
jobTemplate:
spec:
template:
spec:
containers:
- name: job
image: busybox
command: ["echo", "Hello"]
restartPolicy: OnFailure