Cron Expression Generator
Build a cron schedule visually and see it in plain English with the next run times.
How to use this tool
Fill in the five fields (minute, hour, day of month, month, day of week) or pick a preset. The tool translates the schedule to plain English and lists the next five execution times so you can verify before putting it in crontab.
Worked example
*/15 9-17 * * 1-5 runs every 15 minutes between 09:00 and 17:45 on weekdays.
Frequently asked questions
What does */5 mean in cron?
Every 5 units of that field, for example every 5 minutes in the minute field.
Which timezone does cron use?
The system timezone of the host unless the daemon or CRON_TZ says otherwise. Containers are often UTC.
Is day-of-month AND day-of-week?
No. If both are restricted, standard cron runs when either matches.