cron.wtf › generator › expression

What does */30 * * * * mean?

*/30 * * * *

Runs every 30 minutes.

This is a cron schedule. Cron is the standard syntax used by Unix/Linux crontab, CI pipelines, and job schedulers to say when a task should run.

Next run times (UTC)
Sun Jul 19 2026 19:30:00 UTC
Sun Jul 19 2026 20:00:00 UTC
Sun Jul 19 2026 20:30:00 UTC
Sun Jul 19 2026 21:00:00 UTC
Sun Jul 19 2026 21:30:00 UTC
Sun Jul 19 2026 22:00:00 UTC

Want these in your own time zone, or to edit the expression live?

Open in cron.wtf →
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