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Cron Expression Generator

Generate and understand cron expressions for scheduling tasks.

Cron Expression
* * * * *

Cron Expression Format

* * * * *
β”‚ β”‚ β”‚ β”‚ β”‚
β”‚ β”‚ β”‚ β”‚ └─ Day of Week (0-6)
β”‚ β”‚ β”‚ └─── Month (1-12)
β”‚ β”‚ └───── Day of Month (1-31)
β”‚ └─────── Hour (0-23)
└───────── Minute (0-59)

Special Characters

* - Any value
, - Value list (e.g., 1,3,5)
- - Range (e.g., 1-5)
/ - Step values (e.g., */5)

Examples

0 0 * * * - Daily at midnight
*/15 * * * * - Every 15 minutes
0 9-17 * * 1-5 - Every hour from 9 AM to 5 PM, Monday to Friday
0 0 1 * * - First day of every month at midnight
30 2 * * 0 - Every Sunday at 2:30 AM
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