Cron Explainer
Parse cron expressions into human-readable descriptions with next scheduled run times.
Minute
Hour
Day (month)
Month
Day (week)
0
9
*
*
1-5
How to Use
1. Enter an expression — Type a standard 5-field cron expression (minute, hour, day of month, month, day of week).
2. Or pick a preset — Click any preset button to fill in common schedules instantly.
3. Read the description — The tool translates the expression into plain English so you can verify it does what you expect.
4. Check run times — The next 5 scheduled runs are calculated from the current date and time.
Cron field reference:
* * * * * | | | | | | | | | +-- Day of week (0-7, Sun=0 or 7) | | | +------- Month (1-12) | | +------------ Day of month (1-31) | +----------------- Hour (0-23) +---------------------- Minute (0-59) Special characters: * (any) , (list) - (range) / (step)