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Crontab cron expression: every 15 minutes
To run a Crontab job every 15 minutes, use:
*/15 * * * *Every 15 minutes.
Your week at a glance
Upcoming runs
| # | Local | UTC | From now |
|---|
Copy-ready code
Why use this schedule
Four runs an hour, at :00, :15, :30 and :45. It is one of the most searched schedules because it feels natural and lines up with the clock.
- Importing a partner file drop
- Sending batched notification digests
- Refreshing exchange rates
First runs, as an example
Starting from 1 January 2027, evaluated in UTC:
| # | Date and time (UTC) |
|---|---|
| 1 | Fri, 01 Jan 2027, 00:00:00 |
| 2 | Fri, 01 Jan 2027, 00:15:00 |
| 3 | Fri, 01 Jan 2027, 00:30:00 |
| 4 | Fri, 01 Jan 2027, 00:45:00 |
| 5 | Fri, 01 Jan 2027, 01:00:00 |
| 6 | Fri, 01 Jan 2027, 01:15:00 |
Every 15 minutes in every dialect
| System | Expression |
|---|---|
| Crontab (this page) | */15 * * * * |
| Quartz | 0 */15 * * * ? |
| Spring | 0 */15 * * * * |
| Kubernetes | */15 * * * * |
| AWS EventBridge | */15 * * * ? * |
| Jenkins | H/15 * * * * |
| GitHub Actions | */15 * * * * |
| node-cron | */15 * * * * |
| Apache Airflow | */15 * * * * |
| Azure Functions | 0 */15 * * * * |
| Google Cloud Scheduler | */15 * * * * |
Need to translate a different expression? Use the cron converter.
Ready-to-use Crontab config
Drop this into your project. The expression is the one above.
*/15 * * * * /path/to/command >> /var/log/job.log 2>&1The Crontab fields, in order: minute (0-59), hour (0-23), day-of-month (1-31), month (1-12), day-of-week (0-7, 0 and 7 = Sunday).
Things to watch out for in Crontab
- A step such as */15 restarts at the top of each unit, so it only gives even gaps when the step divides 60 (minutes) or 24 (hours).
- Cron runs in the server's local time zone. Check it with the date command, or put CRON_TZ=Asia/Kolkata above the line on cronie-based systems.
The common mistake with this schedule
In Quartz, 0/15 and */15 behave the same in the minutes field, but you still need a seconds value of 0 in front or the job fires every second of those minutes.
Frequently asked questions
How do I run a Crontab job every 15 minutes?
Use */15 * * * *. Every 15 minutes.
What is the every 15 minutes cron expression in other systems?
Quartz: 0 */15 * * * ?; Spring: 0 */15 * * * *; Kubernetes: */15 * * * *. The table on this page lists every dialect.
Which time zone does Crontab use for this schedule?
Cron runs in the server's local time zone. Check it with the date command, or put CRON_TZ=Asia/Kolkata above the line on cronie-based systems.