crontab.tools

Decode Cron ExpressionsIn Plain English

Transform complex crontab syntax into easy-to-understand descriptions. Perfect for developers, system administrators, and DevOps teams.

At 9:00 AM on Monday

Type or paste your cron expression. Tap on any field guide below for help!

Field Guide

* = any value
*/n = every n
📅1-5 = range

Common Examples

What is a Cron Expression?

Cron expressions are strings that define scheduling patterns for automated tasks in Unix-like systems. They consist of five fields representing minute, hour, day of month, month, and day of week.

Wildcards (*)

Match any value in that field

Intervals (*/n)

Every nth occurrence

Ranges (n-m)

From n to m inclusive

Lists (n,m,o)

Specific values separated by commas