Cron Expression Parser

Parse and understand cron expressions. Enter a cron schedule to see its human-readable explanation and next execution times.

Every hour, at minute 0

Next 5 Execution Times

Cron Syntax Reference

FieldAllowed ValuesSpecial Characters
Minute0-59* , - /
Hour0-23* , - /
Day of Month1-31* , - /
Month1-12 or JAN-DEC* , - /
Day of Week0-6 or SUN-SAT* , - /

* = any value | , = list | - = range | / = step

Features

  • Parse standard 5-field cron expressions
  • Human-readable explanations
  • View next scheduled execution times
  • Common preset templates
  • Real-time validation

Special Characters

  • * - Matches any value in the field
  • , - Separates multiple values (e.g., 1,15 = 1st and 15th)
  • - - Defines a range (e.g., 1-5 = 1 through 5)
  • / - Defines a step (e.g., */15 = every 15)

Keyboard Shortcuts

  • Ctrl + L - Focus expression field
  • Ctrl + Shift + C - Copy expression
  • Escape - Reset to default