Cron Expression Descriptor
Developer ToolsConvert cron expressions to human-readable descriptions and preview the next execution times.
How to use Cron Expression Descriptor
- 1Enter your input in the text area above
- 2Click the action button to process your data
- 3View the result and copy it to your clipboard
Common Use Cases
Scheduled Tasks
Understand cron expressions for scheduled jobs.
Backup Schedules
Read cron syntax for backup automation.
Data Sync
Interpret cron expressions for data synchronization.
Report Generation
Verify cron schedules for automated reports.
Frequently Asked Questions
What is a cron expression?
A cron expression is a string of 5 fields (minute, hour, day-of-month, month, day-of-week) used to schedule recurring tasks. For example, '*/15 9-17 * * 1-5' means every 15 minutes, Monday through Friday, between 9 AM and 5 PM.
What are the special characters in cron?
* (any value/every), , (list of values), - (range of values), / (step values). For example, '*/5' means every 5 units, '1,3,5' means on values 1, 3, and 5, and '1-5' means from 1 through 5.
What is the difference between 5-field and 6-field cron?
Standard cron uses 5 fields (minute through weekday). Some systems add a 6th field for seconds at the beginning. Our tool supports the standard 5-field format used by most schedulers including crontab, Kubernetes CronJobs, and GitHub Actions.
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