Every 15 Minutes Cron Expression
*/15 * * * *Try it live
Valid
MINMinute
0HRHour
9DOMDay of Month
*MONMonth
*DOWDay of Week
1-5In 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- 1Tue, Jul 7, 09:00 AM UTCin 15h
- 2Wed, Jul 8, 09:00 AM UTCin 2d
- 3Thu, Jul 9, 09:00 AM UTCin 3d
- 4Fri, Jul 10, 09:00 AM UTCin 4d
- 5Mon, Jul 13, 09:00 AM UTCin 7d
- 6Tue, Jul 14, 09:00 AM UTCin 8d
- 7Wed, Jul 15, 09:00 AM UTCin 9d
- 8Thu, Jul 16, 09:00 AM UTCin 10d
- 9Fri, Jul 17, 09:00 AM UTCin 11d
- 10Mon, Jul 20, 09:00 AM UTCin 14d
crontab entrybash
# Add to crontab with: crontab -e
0 9 * * 1-5 /path/to/your/script.shWhen to use this schedule
- ▸ Report generation for dashboards that update every quarter-hour
- ▸ Queue health checks for message brokers to detect backlog buildup
- ▸ Flushing analytics event buffers to a data warehouse in 15-minute batches
- ▸ Rotating log files or archiving completed tasks on a quarter-hour cadence
Platform Syntax Comparison
The same "Every 15 Minutes" schedule expressed in every major platform's cron syntax.
| Platform | Expression |
|---|---|
| Standard Linux/Unix | */15 * * * * |
| GitHub Actions | */15 * * * * |
| Google Cloud Scheduler | */15 * * * * |
| Kubernetes CronJob | */15 * * * * |
| Azure Functions (NCRONTAB) | 0 */15 * * * * |
| AWS EventBridge | 0/15 * * * ? * |
| Quartz Scheduler | 0 */15 * * * ? |
| Spring @Scheduled | 0 */15 * * * * |
| Jenkins | H/15 * * * * |
| Apache Airflow | */15 * * * * |
Frequently Asked Questions
What are the exact run times for */15? ▾
"*/15" fires at :00, :15, :30, and :45 of every hour — four times per hour, on quarter-hour boundaries.
Built & maintained by Danny Vargas
Last updated January 2026·Parsing runs in your browser — no expression leaves your device