[tool] cron

Cron expression builder

Enter a cron expression and timezone to see the next five runs.

Cron expressionIANA timezone

minute / hour / day of month / month / day of week

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Cuey API

Schedule a webhook with this expression

Install the Cuey SDK and set CUEY_API_KEY on your server.

await cuey.repeat({
  webhook_url: "https://your.app/api/task",
  method: "POST",
  cron_expression: "0 9 * * 1-5",
  timezone: "UTC",
});

Cron syntax reference

0 9 * * 1-5 means weekdays at 09:00 in the selected timezone.
*/15 * * * * runs every fifteen minutes.
An asterisk matches all values. A hyphen defines a range. A slash defines a step.
Use an IANA timezone such as America/New_York for local schedules. UTC has no daylight-saving changes.
This preview uses cron-parser. Confirm daylight-saving and day-of-week behaviour with the scheduler you use.