Cron expression explainer
Translate a cron expression into plain English so you can read schedules at a glance. Runs in your browser.
At 09:00 AM, Monday through Friday
Fields: minute · hour · day-of-month · month · day-of-week
About this cron explainer
Paste a cron expression and read what it means in plain English, so you can verify a schedule at a glance instead of decoding fields in your head. One-click examples cover the most common schedules.
The five fields
A standard cron line has five space-separated fields — minute, hour,
day-of-month, month, day-of-week — optionally with a sixth for
seconds in some systems. Values support ranges (1-5), lists (1,3,5) and
steps (*/10), which this tool spells out for you.
FAQ
What do the five fields mean?
In order they are minute, hour, day-of-month, month and day-of-week. An asterisk means every value for that field.
What does the slash-15 pattern mean?
It is a step value meaning every 15, so a slash-15 in the minute field runs every 15 minutes.