Cron Expression Parser

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Common examples:

Expression Breakdown

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Execution Times

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Cron Syntax Reference

Field Allowed Values Special Characters
分钟 0-59 * , - /
小时 0-23 * , - /
日期 1-31 * , - / ?
月份 1-12 或 JAN-DEC * , - /
星期 0-6 或 SUN-SAT * , - / ? L #

Special Characters:

  • * = All values
  • , = Value list separator
  • - = Range
  • / = Step

Examples:

  • 0 * * * * = Every hour
  • */15 * * * * = Every 15 min
  • 0 9-17 * * 1-5 = 9am-5pm weekdays