1. The Standard 5-Field Syntax Breakdown

A standard Unix cron string consists of 5 whitespace-separated fields:

┌───────────── Minute (0 - 59)
│ ┌─────────── Hour (0 - 23)
│ │ ┌───────── Day of Month (1 - 31)
│ │ │ ┌─────── Month (1 - 12)
│ │ │ │ ┌───── Day of Week (0 - 6, where 0 is Sunday)
* * * * *

Build and Test Cron Expressions

Generate human-readable cron schedules and inspect execution times with a visual cron builder.

Open Cron Generator →