Cron Expression Parser
Parse and explain cron expressions with next execution times and human-readable descriptions.
Cron Expression Input
Enter a cron expression to parse and analyze
Format: minute hour day month weekday
Cron Format
* * * * *
│ │ │ │ └─ Weekday (0-6, Sun-Sat)
│ │ │ └─── Month (1-12)
│ │ └───── Day (1-31)
│ └─────── Hour (0-23)
└───────── Minute (0-59)
Parsing Result
Cron expression analysis and next execution times
Cron Expression Reference
Special Characters
*- Any value,- Value list separator-- Range of values/- Step values?- No specific value (day/weekday)L- Last day of monthW- Weekday nearest to given day#- Nth occurrence of weekday
Common Examples
0 0 * * *- Daily at midnight0 */6 * * *- Every 6 hours0 9-17 * * 1-5- Hourly, 9-5, Mon-Fri0 0 1 * *- First day of every month0 0 * * 0- Every Sunday*/30 * * * *- Every 30 minutes
Field Ranges
- Minute: 0-59
- Hour: 0-23
- Day: 1-31
- Month: 1-12 (or JAN-DEC)
- Weekday: 0-6 (Sun-Sat) or SUN-SAT
💡 Tips for Writing Cron Expressions
• Use online cron validators to test complex expressions
• Consider timezone differences when scheduling tasks
• Be careful with day-of-month and day-of-week combinations
• Test expressions thoroughly before deploying to production
• Document complex expressions with human-readable comments