WKIT

Cron Expression Builder

Build and validate cron expressions with our visual builder. See human-readable explanations instantly.

Cron Expression Builder
Create and validate cron expressions for scheduled tasks. Use the builder or enter expressions directly.
Expression:* * * * *

Human-readable:

How to Build Cron Expressions

  1. Select your desired schedule frequency
  2. Configure each field (minute, hour, day, month, weekday)
  3. Review the generated expression and explanation
  4. Copy the expression to use in your systems

Cron Expression Format

* * * * *
│ │ │ │ │
│ │ │ │ └── Day of Week (0-7, Sun=0 or 7)
│ │ │ └──── Month (1-12)
│ │ └────── Day of Month (1-31)
│ └──────── Hour (0-23)
└────────── Minute (0-59)

Common Examples

  • 0 * * * * - Every hour at minute 0
  • 0 9 * * 1-5 - 9 AM on weekdays
  • 0 0 1 * * - First day of every month
  • */15 * * * * - Every 15 minutes

Frequently Asked Questions

What is a cron expression?

A cron expression is a string of five or six fields separated by spaces that represents a schedule. It defines when a task should run (minute, hour, day of month, month, day of week).

How do I create a cron expression?

Use our visual builder to select the schedule you want. Choose specific times, intervals, or use wildcards. The tool generates the cron expression automatically.

Is this cron builder free?

Yes, WKIT Cron Expression Builder is completely free. No signup required, no hidden fees.

What cron formats are supported?

We support standard 5-field cron expressions (minute, hour, day, month, weekday) and 6-field expressions with seconds.