daily
Twice daily
Runs at 9 AM and 9 PM every day
Cron Expression
0 9,21 * * *Usage Guide
How to use this expression
This cron expression 0 9,21 * * * runs at 9 am and 9 pm every day. You can use it in various task schedulers like cron (Unix/Linux), Windows Task Scheduler, or application-level schedulers.
Field Breakdown
Minute
Hour
Day
Month
Weekday
0
9,21
*
*
*
Common Use Cases
- Daily reports, backups, or cleanup operations
- CI/CD pipelines and automated deployments
- Data synchronization and ETL processes
- System monitoring and health checks
Related Patterns
⚠️ Disclaimer: This cron expression and schedule information are provided as-is for informational purposes. Always verify critical schedules in your production environment and test thoroughly before deployment.