Explain a weekday schedule
Paste */15 9-17 * * 1-5 to confirm it runs every 15 minutes during weekday work hours.
Cron Parser
Validate and explain standard five-field cron expressions.
Supports the common minute, hour, day, month, and weekday format.
Field breakdown
Minute
*/15
Any value, every 15 units
Hour
9-17
From 9 through 17
Day of month
*
Any value
Month
*
Any value
Day of week
1-5
From 1 through 5
About cron expressions
Cron expressions describe recurring schedules with five fields: minute, hour, day of month, month, and day of week. This parser checks each field and explains the accepted values.
Common uses
- Check a scheduled job expression
- Explain steps such as */15
- Review weekday-only schedules
- Validate ranges before deployment
Notes
This tool focuses on the common five-field syntax. Quartz seconds, years, and special tokens such as L, W, and # are not included.
Examples
Validate ranges and steps
Check each cron field before adding a scheduled job to a server, worker, or CI task.
FAQ
Which cron format is supported?ShowHide
This parser supports the common five-field format: minute, hour, day of month, month, and day of week.
Does it support Quartz cron syntax?ShowHide
No. Seconds, years, and special Quartz tokens such as L, W, and # are not included.
Can I use month and weekday names?ShowHide
Yes. Common three-letter names such as JAN and MON are normalized for validation.