AI-powered Cron Expression builder
From plain text to production-ready cron in seconds.
Standard Cron Syntax Reference
| Field | Allowed Values | Special Characters |
|---|---|---|
| Minute | 0 - 59 | *, -, /, , |
| Hour | 0 - 23 | *, -, /, , |
| Day of Month | 1 - 31 | *, -, /, ,, L, W |
| Month | 1 - 12 (or JAN-DEC) | *, -, /, , |
| Day of Week | 0 - 6 (or SUN-SAT) | *, -, /, ,, L, # |
Scheduling Best Practices
Modern enterprise scheduling is moving towards AI-driven automation. While traditional unix scheduling involves manual string construction, ourAI-powered cron generator eliminates syntax errors by validating natural language intent against standard POSIX cron patterns.
Common Crontab Examples
# Every 5 minutes during office hours
*/5 9-17 * * 1-5 /path/to/script.sh
# Database backup weekly at 3:30 AM
30 3 * * 0 /usr/local/bin/backup-db.sh
Frequently Asked Questions
What is a CRON expression?
A cron expression is a string representing a schedule. It consists of 5 or 6 fields that define the timing of a cron job, including Minute, Hour, Day of Month, Month, and Day of Week.
How does the Cron LLM work?
The AI interprets your natural language input (e.g., 'every Monday at 10am') and translates it into standard crontab syntax using advanced machine learning models.
What does * * * * * represent in a crontab example?
In cron syntax, * * * * * represents 'every minute of every hour of every day'. It is the most frequent trigger possible in standard linux scheduling.
Is this Cron Generator free for production use?
Yes, our tool is free and generates optimized expressions suitable for crontab, kubernetes cronjobs, and cloud schedulers.