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Cron Expression
* * * * *Common Examples:
*/15 * * * * - Every 15 minutes0 0 * * * - Every day at midnight0 9 * * 1 - At 9:00 AM on MondayMaster the art of scheduling without the headache. The Cron Expression Generator lets you visually build complex cron schedules by simply clicking. Whether you need a job to run every 5 minutes or only on specific days, this tool generates the correct syntax and explains it in plain English.
Cron syntax is powerful but notoriously cryptic. A single mistake can cause a job not to run or to run constantly. This tool isolates each part of the schedule (minute, hour, day, month, weekday) into an easy-to-use interface, ensuring valid syntax while teaching you how the expression is constructed.
A cron string consists of 5 fields: minute, hour, day of month, month, and day of week. The tool maps your UI selections to these fields. For instance, selecting 'Every 15 minutes' generates `*/15` in the minute field. The textual explanation parses this string back into natural language.
It's a time-based scheduler in Unix-like operating systems. You use it to automate scripts or commands to run at specific times.
Yes! Most cloud schedulers and Kubernetes CronJobs use the same standard cron syntax generated by this tool.
An asterisk means 'every'. So `*` in the hour field means 'every hour'.
All calculations and data processing for this tool are performed locally in your browser. UtilToolkits does not send any of your data to an external server, ensuring your information remains private and secure.