Every 3 Hours Cron Expression for Jenkins

H H/3 * * *

Try it live

Valid
MINMinute
0
HRHour
9
DOMDay of Month
*
MONMonth
*
DOWDay of Week
1-5

In plain English

At 09:00 AM, Monday through Friday

English → Cron

Try: "every 5 minutes", "every weekday at 9am", "every Monday at 3pm", "every month on the 1st"

Next 10 Executions

UTC
  1. 1Mon, May 18, 09:00 AM UTCin 3d
  2. 2Tue, May 19, 09:00 AM UTCin 4d
  3. 3Wed, May 20, 09:00 AM UTCin 5d
  4. 4Thu, May 21, 09:00 AM UTCin 6d
  5. 5Fri, May 22, 09:00 AM UTCin 7d
  6. 6Mon, May 25, 09:00 AM UTCin 10d
  7. 7Tue, May 26, 09:00 AM UTCin 11d
  8. 8Wed, May 27, 09:00 AM UTCin 12d
  9. 9Thu, May 28, 09:00 AM UTCin 13d
  10. 10Fri, May 29, 09:00 AM UTCin 14d
crontab entrybash
# Add to crontab with: crontab -e
0 9 * * 1-5    /path/to/your/script.sh

When to use this schedule

  • Full-table analytics refreshes on data warehouses that take 10-20 minutes
  • Sending batched notification digests at morning, midday, and evening
  • Archiving completed records from a hot table to cold storage every 3 hours

Platform Syntax Comparison

The same "Every 3 Hours" schedule expressed in every major platform's cron syntax.

PlatformExpression
Standard Linux/Unix
0 */3 * * *
GitHub Actions
0 */3 * * *
Google Cloud Scheduler
0 */3 * * *
Kubernetes CronJob
0 */3 * * *
Azure Functions (NCRONTAB)
0 0 */3 * * *
AWS EventBridge
0 0/3 * * ? *
Quartz Scheduler
0 0 */3 * * ?
Spring @Scheduled
0 0 */3 * * *
Jenkins
H H/3 * * *
Apache Airflow
0 */3 * * *

Frequently Asked Questions

What are the exact run times for every-3-hours?
Midnight, 3am, 6am, 9am, noon, 3pm, 6pm, and 9pm — 8 times per day.

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