Date & Time

Cron Explainer

Explain a cron expression and list the next runs.

How to use Cron Explainer

Cron Explainer — Explain a five-field cron expression and list the next times it would run. Free to use in D2i DevTools — no account required.

Steps

  1. Fill in Cron expression. This field is required.
  2. Choose Timezone. It starts on UTC.
  3. Set Preview next runs. The starting value is 5.
  4. Click Run and copy the result under the form.

Frequently asked questions

What is Cron Explainer used for?

Use it when you inherited a schedule and want the next runs in a timezone before you change it.

How do I use the free online Cron Explainer tool?

Fill in Cron expression. This field is required. Choose Timezone. It starts on UTC. Set Preview next runs. The starting value is 5. Click Run and copy the result under the form.

What can I paste or upload into Cron Explainer?

Paste a cron expression such as 0 9 * * 1, or a name such as @daily. Pick a timezone and how many runs to preview.

What output does Cron Explainer give me?

The expression, a field summary, the timezone, and the next run times in that zone.

Is Cron Explainer free, and is my input private?

Yes — Your input is processed in memory for this request only. It is not saved to disk or the database, and it is cleared after the tool finishes.

Does this install the schedule?

No. It only parses the expression and calculates upcoming times. It does not talk to cron on a server.

Inputs are processed in memory only and are not saved to disk or the database. Data exists only for the duration of your request.