*/3 * * * *
What the cron expression */3 * * * * means, when it runs next, and how to write it on every platform.
“Every 3 minutes”
Open in tool*/3minuteevery 3
*hourevery
*day of monthevery
*monthevery
*day of weekevery
On other platforms
crontab
*/3 * * * *GitHub Actions
GitHub Actions runs schedules at most every 5 minutes; this asks for more often.
WorkaroundTrigger the workflow from outside with workflow_dispatch or repository_dispatch, or run the schedule somewhere else.
Kubernetes
*/3 * * * *AWS EventBridge
cron(0/3 * * * ? *)Spring
0 */3 * * * *Quartz
0 */3 * * * ?Next 10 runs
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FAQ
What does */3 * * * * mean in cron?
Every 3 minutes
Does */3 * * * * work in GitHub Actions?
Not as is. GitHub Actions runs schedules at most every 5 minutes; this asks for more often.
Does */3 * * * * work in Kubernetes?
Yes, exactly as written.
Does */3 * * * * work in AWS EventBridge?
Yes, as cron(0/3 * * * ? *).
More expressions
* * * * **/5 * * * **/10 * * * **/15 * * * **/30 * * * *0 * * * *0 */2 * * *0 */6 * * *0 0 * * *0 9 * * *0 9 * * 1-50 0 * * 00 0 * * 10 0 1 * *0 0 1 1 *30 2 * * *0 12 * * *0 0 1,15 * *0 8-17 * * 1-50 0 * * 6,0*/2 * * * **/20 * * * *15 * * * *30 * * * *0 */3 * * *0 */4 * * *0 */8 * * *0 */12 * * *0 1 * * *0 2 * * *0 3 * * *0 4 * * *0 6 * * *0 8 * * *0 18 * * *0 0 * * 1-50 0 */2 * *0 0 1 */3 *0 9-17 * * 1-5*/5 9-17 * * 1-55 4 * * 00 22 * * 1-50 0 1 1,7 *