crontab.in
monitor with cron.watch

0 */6 * * *

Every 6 hours.

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Field breakdown

0minuteat minute 0
*/6hourevery 6 hours
*day of monthevery day of the month
*monthevery month
*day of weekevery day of the week

Next 5 runs (UTC)

Times shown in UTC. Show my local timezone →

Will you know if this job doesn't run?

This page tells you when 0 */6 * * * should fire. cron.watch tells you if it actually did — and pages you when it silently fails.

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