Cron Expression Parser
Parse cron expressions and see human-readable explanations.
Minute
Hour
Day
of
Month
Month
Day
of
Week
Description: Runs at 09:00 on Monday through Friday
| Field | Value | Description | Range |
|---|---|---|---|
| Minute | 0 | 0 | 0-59 |
| Hour | 9 | 9 | 0-23 |
| Day of Month | * | every day of month | 1-31 |
| Month | * | every month | 1-12 |
| Day of Week | 1-5 | Monday through Friday | 0-7 (0 & 7 = Sun) |
What is a Cron Expression?
A cron expression is a string of five fields separated by spaces that represents a schedule. It's used in Unix-like systems (crontab), CI/CD pipelines, and task schedulers to define when a job should run.
Cron Syntax
┌───────────── minute (0-59) │ ┌───────────── hour (0-23) │ │ ┌───────────── day of month (1-31) │ │ │ ┌───────────── month (1-12) │ │ │ │ ┌───────────── day of week (0-7, Sun=0 or 7) │ │ │ │ │ * * * * *
Special Characters
*— any value,— value list separator (1,3,5)-— range (1-5)/— step values (*/5 = every 5)