/30 * * *

Every 30 minutes.

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Field breakdown

*/30	minute	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

Next 5 runs (UTC)

Friday, June 26, 2026 at 08:30 UTCin 57 yr
Friday, June 26, 2026 at 09:00 UTCin 57 yr
Friday, June 26, 2026 at 09:30 UTCin 57 yr
Friday, June 26, 2026 at 10:00 UTCin 57 yr
Friday, June 26, 2026 at 10:30 UTCin 57 yr

Times shown in UTC. Show my local timezone →

Will you know if this job doesn't run?

This page tells you when */30 * * * * should fire. cron.watch tells you if it actually did — and pages you when it silently fails.

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Related schedules

* * * * *Every minute.*/5 * * * *Every 5 minutes.*/10 * * * *Every 10 minutes.*/15 * * * *Every 15 minutes.0,30 * * * *Every 30 minutes.0 * * * *At the top of every hour.