Cron every 30 minutes
Expression: */30 * * * *
Meaning
Run twice per hour, at minute 0 and minute 30.
Example use
Good for batch imports, status snapshots and non-urgent monitoring jobs.
How to modify it
Use 0 * * * * to run once per hour.
Use it in the cron parser
Open the Cron Parser, paste */30 * * * *,
and review the next run times in your browser before using the schedule in production.
Related cron schedules
- Cron every 15 minutes —
*/15 * * * * - Cron every hour —
0 * * * * - Cron every day at midnight —
0 0 * * *
FAQ
Does cron use my local time zone?
Cron uses the time zone configured in the scheduler or server. Cloud platforms, CI systems and containers may default to UTC.
Is this a five-field or six-field cron?
This page uses standard five-field crontab syntax: minute, hour, day of month, month and day of week.