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Cron Expression Tester

Calculate when a cron expression will run

Cron Expression

Enter a cron expression (5 fields: minute hour day month weekday)

Common Examples

Click to load an example expression

Cron Expression Format

* * * * *

┬ ┬ ┬ ┬ ┬

│ │ │ │ │

│ │ │ │ └─ Day of week (0-6, Sunday=0)

│ │ │ └─── Month (1-12)

│ │ └───── Day of month (1-31)

│ └─────── Hour (0-23)

└───────── Minute (0-59)

Special Characters:

  • * - Any value
  • , - Value list separator
  • - - Range of values
  • / - Step values

Examples:

  • */5 - Every 5 units
  • 1-5 - From 1 to 5
  • 1,3,5 - At 1, 3, and 5
  • 0 0 1 1 * - New Year's Day

Common Use Cases

  • Scheduled backups and maintenance tasks
  • Automated report generation
  • Data synchronization and ETL jobs
  • Email notifications and reminders
  • Cache clearing and cleanup operations
  • Monitoring and health checks