Cronnest

Every 30 Minutes Cron Expression

Cron expression to run every 30 minutes: */30 * * * *. Plain English and next run preview.

Every 30 Minutes Cron Expression

Paste a cron → plain English + next runs. Everything stays in your browser.

5-field: min hour dom month dow

Plain English

Every 30 minutes, every hour, every day

Next 5 runs (UTC)

  1. Mon, Sep 14, 2026, 15:00:00 UTC2026-09-14T15:00:00.000Z
  2. Mon, Sep 14, 2026, 15:30:00 UTC2026-09-14T15:30:00.000Z
  3. Mon, Sep 14, 2026, 16:00:00 UTC2026-09-14T16:00:00.000Z
  4. Mon, Sep 14, 2026, 16:30:00 UTC2026-09-14T16:30:00.000Z
  5. Mon, Sep 14, 2026, 17:00:00 UTC2026-09-14T17:00:00.000Z

Export

*/30 * * * *

Twice per hour

*/30 * * * * (or 0,30 * * * *) runs at minute 0 and 30 of every hour.

Half-past only

Use 30 * * * * if you only want :30 and not the top of the hour.