Cron expression generator
Build a cron expression without memorizing the syntax: choose the frequency, minutes, hours and days of the week and see the next runs.
How to useCron generator
Next runs
Available in: 
Cron expression generator: what it is for
Choose the frequency (every X minutes, every X hours, every day, on weekdays or every month), the time and the days. The tool generates the 5-field cron expression, explains in plain English what it does and lists the next five runs. To understand an expression you already have, use the cron explainer.
How to use
- Choose the frequency.
- Set the time and days.
- Copy the expression.
When to use it
- Scheduling backups in crontab.
- Setting up scheduled workflows in GitHub Actions.
- Creating CronJobs in Kubernetes.
Frequently asked questions
Which format is generated?
Standard 5-field cron (minute, hour, day of month, month and day of week), used on Linux, in crontab, GitHub Actions, Kubernetes CronJob and most hosting providers.
Which time zone does it use?
Cron runs in the server's time zone. GitHub Actions, for example, uses UTC: 9 AM in New York (UTC−5) is 2 PM UTC. The next runs here are shown in your device's time.
Is it really free?
Yes, 100% free. No sign-up, no subscription and no usage limits. All Tools123 tools are free and run right in your browser.