Cron Expression Parser
Parse and validate cron expressions with detailed explanations. Understand cron syntax, get human-readable schedules, and see upcoming execution times.
Enter a cron expression (5 or 6 fields). Example: 0 2 * * * (daily at 2:00 AM)
Expression Breakdown
Human Readable Schedule
Upcoming Execution Times
Next 10 Runs
Schedule Pattern
| Time | Mon | Tue | Wed | Thu | Fri | Sat | Sun |
|---|
Cron Syntax Reference
Field Positions
Minute (0-59)
0-59, *, */n
Hour (0-23)
0-23, *, */n
Day of Month (1-31)
1-31, *, */n
Month (1-12)
1-12, *, */n, JAN-DEC
Day of Week (0-7)
0-7, *, */n, SUN-SAT
Special Characters
* (asterisk)
Any value
, (comma)
Value list separator
- (hyphen)
Range of values
/ (slash)
Step values
? (question mark)
No specific value
Features
Syntax Validation
Validate cron expressions and get detailed error messages for incorrect syntax.
Schedule Visualization
See upcoming execution times and visualize schedule patterns in a calendar view.
Human Readable
Get plain English explanations of what your cron expression actually means.