Minutes

Every 15 Minutes Cron Expression

Run a cron job every 15 minutes with */15 * * * *.

Cron expression

*/15 * * * *

Plain English explanation

Runs every 15 minutes.

Field breakdown

Minute

*/15

Every 15 minutes

0-59

Hour

*

Every hour

0-23

Day of Month

*

Every day of the month

1-31

Month

*

Every month

1-12

Day of Week

*

Every day of the week

0-7, where 0 or 7 is Sunday

Use case

Good for regular refresh jobs, reminder checks, and batch updates.

FAQ

What does this cron expression mean?

Runs every 15 minutes.

Can I use this in Linux crontab?

Yes. This is a standard Linux 5-field cron expression when used with a normal crontab command.

Does this work in GitHub Actions?

Usually yes for 5-field syntax, but GitHub Actions schedules run in UTC and may be delayed during high load.

How can I change the time?

Edit the minute and hour fields, or open the expression in the Cron Generator or Playground.

How can I test this expression?

Use the Cron Validator to check syntax and the Next Run Calculator to preview upcoming executions.