Cron Converter
Convert cron expressions to human-readable format and vice versa. Build, validate, and understand cron schedules with our visual interface.
Format: minute hour day month day-of-week
(0-59)Hour
(0-23)Day
(1-31)Month
(1-12)DoW
(0-6)
Cron Syntax Reference:
Mastering Cron Expressions
Cron is a time-based job scheduler in Unix-like operating systems. Use this tool to build, validate, and understand your automation schedules.
1. Paste or Describe
Input a raw 5-field cron string or describe your schedule in plain English.
2. Fine-Tune Fields
Adjust individual fields for minutes, hours, days, and months with real-time feedback.
3. Verify Schedule
Check the "Next Runs" preview to ensure your jobs fire exactly when you expect.
The 5-Field Standard
Most modern systems (like crontab, GitHub Actions, and AWS Lambda) use the standard 5-field format:
* Note: Some specific implementations support an optional 6th field for "seconds" or "years".
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Frequently Asked Questions
Why Use Our Cron Expression Builder?
Two-Way Conversion
Convert cron to human-readable text and vice versa.
Next Runs Preview
See when your cron job will run next with accurate scheduling.
Real-Time Validation
Instant feedback on syntax errors.
Common Templates
Quick access to frequently used cron expressions.