ObservKit / Tools / Cron Generator + Explainer
DevOps utility

Cron Generator + Explainer

Build a standard five-field cron schedule, understand it, and preview upcoming executions.

● Calculated locally in your browser
Standard cron5 fields · minute to weekday
Useful presets
Used by the “Daily at selected time” preset.
Visual controls

* any value · */n step · a-b range · commas create a list

Cron expression
ExplanationEvery 15 minutes
Next runs

    What is a cron expression?

    A cron expression is a compact schedule made of five space-separated fields. Standard cron evaluates minute, hour, day of month, month and day of week—in that order.

    Cron syntax

    */15****minutehourdaymonthweekday

    Field explanation

    * means every allowed value. A slash creates an interval, so */15 means every 15 units. Hyphens define ranges and commas define lists.

    Common examples

    * * * * *Every minute
    0 * * * *Hourly
    0 0 * * *Daily at midnight
    0 9 * * 1-5Weekdays at 09:00
    0 9 1 * *First day of each month at 09:00