CRON Expression Descriptor

Free CRON Expression Descriptor & Translator

Enter any standard 5-field CRON expression and instantly get a plain English description of when it runs. Perfect for developers, system administrators, and DevOps engineers who need to understand, debug, or document scheduled tasks without memorizing the cryptic CRON syntax.

How to Use

Type or paste a CRON expression into the input field (e.g., 30 2 * * 1-5). The human-readable description appears instantly, explaining exactly when the scheduled job will execute. You can also browse example presets for common scheduling patterns.

CRON Format Reference

Standard 5-field format: minute (0-59) hour (0-23) day-of-month (1-31) month (1-12) day-of-week (0-7). Both Sunday (0) and (7) represent Sunday. The asterisk * wildcard means "every" - it matches all possible values for that field.

Common CRON Expressions

• * * * * * - Every minute (useful for testing)
• 0 0 * * * - Daily at midnight
• */5 * * * * - Every 5 minutes
• 0 9 * * 1-5 - Weekdays at 9 AM
• 0 2 * * 0 - Every Sunday at 2 AM
• 30 4 1 * * - The 1st of every month at 4:30 AM

Privacy

All CRON parsing happens locally in your browser. No expressions are sent to any server.

Last reviewed: July 2026.