Cron Expression Parser

Enter a cron expression to see a human-readable description and the next execution times.

minutehourdaymonthweekday
Syntax: * any, , list, - range, / step. Example: */5 9-17 * * 1-5 = every 5 min, 9 AM - 5 PM, weekdays.

Common Presets

About Cron Expression Parser

This free online cron expression parser converts cron schedules into human-readable descriptions and calculates upcoming execution times. All parsing runs client-side in your browser.

Cron Expression Format

A standard cron expression has 5 fields separated by spaces:

  • Minute (0-59)
  • Hour (0-23)
  • Day of month (1-31)
  • Month (1-12)
  • Day of week (0-6, Sunday = 0)

Special Characters

  • * — matches any value
  • , — list separator (e.g., 1,3,5)
  • - — range (e.g., 1-5 for Monday to Friday)
  • / — step values (e.g., */5 for every 5 units)