Nightroll

Free Cron Expression Explainer

Type a cron expression to read it in plain words and see when it runs next.

minutehourdaymonthweekday

Next runs (your time zone)

    Examples

    Syntax

    * every · */n every n · a-b range · a,b list · names like mon-fri and jan work too · @daily, @hourly, @weekly, @monthly, @yearly

    How to make a cron schedule

    1. Type a cron expression, or pick an example.
    2. Read what it means.
    3. Check the next 10 run times.

    Frequently asked questions

    What do the five fields mean?
    Minute, hour, day of month, month and day of week. * means every, */15 means every 15th, 1-5 is a range and 1,3 a list.
    Which time zone is used?
    Run times are shown in your browser’s time zone. Servers often run cron in UTC, so check yours.