Cron Expression Generator
Visual Cron expression generator, supports second, minute, hour, day, month, week, year configuration.
Cron Expression
* * * * * ?
Common Presets
Next 7 Run Times
LOCAL All operations are performed locally in the browser and no data will be uploaded.

What is a Cron Expression?

Cron expressions are strings used to define scheduled tasks, consisting of 6 or 7 fields for precise cycle control.

🎯

Core Value

  • Extremely flexible
  • Widely adopted
  • Second-level precision
  • Powerful scheduling
📋

Field Meanings

  • Sec (0-59)
  • Min (0-59)
  • Hour (0-23)
  • Day (1-31)
  • Month (1-12)
  • Week (1-7)
  • Year (Optional)
🚀

Scenarios

  • Linux Crontab
  • Java Quartz
  • Spring Task
  • CI/CD Triggers
💎

Special Characters

  • * Any
  • ? Unspecified
  • - Range
  • / Step
  • L Last
  • W Workday
  • # nth week

🚀 How to Use

  • Config: Set rules for each field in the tabs above.
  • Real-time: Expression and meaning are generated instantly.
  • Copy: Click 'Copy' to use the result in your code.
  • Note: Framework standards vary; switch modes in top-right.

💡 FAQ

0/5 vs */5?
Usually equivalent, meaning every 5 units starting from 0.
Day and Week together?
Usually not. One must be '?' to avoid conflicts.

🔗 Related Tools