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What is Cron Expression?
Generate, parse, and explain cron expressions in plain English. Our Cron Expression tool helps you build complex schedules visually and instantly see what a cron string means — eliminating the guesswork from scheduling automation, CI/CD pipelines, and server tasks.
Key Features
How to Use Cron Expression
Enter a cron expression (e.g., 0 9 * * 1-5)
Or use the visual builder to select minutes, hours, days
Click Submit to see the schedule in plain English and next run times
Copy the cron expression for use in your system
Common Use Cases
Tips & Best Practices
"0 0 * * *" runs at midnight daily — use this for overnight database backups
"0 9 * * 1-5" runs at 9am Monday through Friday — perfect for business day reports
Use comma-separated values for multiple times: "0 9,17 * * *" runs at 9am and 5pm
Frequently Asked Questions
What is a cron expression?
A cron expression is a time-based job scheduler pattern with 5 fields: minute (0-59), hour (0-23), day of month (1-31), month (1-12), day of week (0-6).
What does "* * * * *" mean?
"Every minute of every hour of every day" — the most frequent cron schedule. It runs 1,440 times per day.
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