Run a cron job every 30 minutes
Need a task to run twice an hour? Every thirty minutes is a light, predictable cadence that fits refreshes and reminders without much overhead.
*/30 * * * **/30 * * * *Every 30 minutes
*/30 * * * * runs twice an hour, on the hour and at the half hour. It is a light cadence that fits half-hourly refreshes and reminders.
Next run times
- 1.2026-09-13T12:00:00.000Z
- 2.2026-09-13T12:30:00.000Z
- 3.2026-09-13T13:00:00.000Z
- 4.2026-09-13T13:30:00.000Z
- 5.2026-09-13T14:00:00.000Z
What */30 * * * * means
| Field | Value | Meaning |
|---|---|---|
| Minute | */30 | every 30 minutes |
| Hour | * | every hour |
| Day of month | * | every day of the month |
| Month | * | every month |
| Day of week | * | every day of the week |
Example use cases
- half-hourly sync
- inventory updates
- feed refresh
Work with this expression
Schedule this on Cronhost
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