// ai
AI Cron Expression Builder
Describe your schedule in plain English — get the exact cron expression. No more Googling cron syntax at midnight.
Key features
Natural language
Type 'every weekday at 9am' and get the cron expression
Validation
Validate existing cron expressions with human-readable explanation
Reverse translate
Paste any cron expression to get a plain English description
Next runs
See the next 10 scheduled execution times for any expression
Multiple formats
Standard cron, systemd timers, Kubernetes CronJobs
Copy ready
Copy expression ready for crontab, CI/CD, or Kubernetes YAML
Frequently asked questions
What is a cron expression?
A cron expression is a string of 5-6 fields representing a schedule: minute, hour, day-of-month, month, day-of-week.
How do I run a job every 15 minutes?
Use */15 * * * * for every 15 minutes. Our AI builder generates this if you type 'every 15 minutes'.
What is the difference between cron and systemd timers?
Cron is traditional Unix scheduling. Systemd timers are more flexible and integrate with systemd logging.
Can I use cron expressions in Kubernetes?
Yes. Kubernetes CronJobs use standard cron syntax in the schedule field.