Cron Job Explainer & Generator
Analyze, create, and understand cron job schedules.
Explain a Cron Expression
Generate a Cron Expression
Fill in the fields below to create your cron string. Leave a field blank to use '*' (every).
Cron Syntax Reference
*
*
*
*
*
│
│
│
│
│
Minute (0-59)
Hour (0-23)
Day of Month (1-31)
Month (1-12)
Day of Week (0-6)
Special Characters
Character | Description |
---|---|
* | (Asterisk) Selects all possible values for a field. E.g., '*' in the hour field means 'every hour'. |
, | (Comma) Separates multiple values. E.g., '1,3,5' in the day-of-week field means 'every Monday, Wednesday, and Friday'. |
- | (Dash) Specifies a range of values. E.g., '1-5' in the day-of-week field means 'from Monday to Friday'. |
/ | (Slash) Specifies step values. E.g., '*/15' in the minute field means 'every 15 minutes'. |