Cron Expression Explainer
A free online cron expression explainer and validator. Enter any 5-field cron expression and get a plain English description of each field, validation of allowed values, and the next 5 scheduled run times. Includes 10 common presets (every minute, hourly, daily, weekly, monthly, etc.). Essential for DevOps, SREs and backend developers.
minutehourdaymonthweekday
Plain English
Runs at at 0 past at 9 on Mon through Fri
Minute
0
at 0
Range: 0-59
Hour
9
at 9
Range: 0-23
Day of Month
*
every day of month
Range: 1-31
Month
*
every month
Range: 1-12
Day of Week
1-5
Mon through Fri
Range: 0-7 (Sun=0/7)
Common Presets