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Azure Functions cron

Azure Functions cron expression: every 15 minutes

To run a Azure Functions job every 15 minutes, use:

0 */15 * * * *

Every 15 minutes.

Your week at a glance
fewer more runs

Upcoming runs

#LocalUTCFrom 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.

First runs, as an example

Starting from 1 January 2027, evaluated in UTC:

#Date and time (UTC)
1Fri, 01 Jan 2027, 00:00:00
2Fri, 01 Jan 2027, 00:15:00
3Fri, 01 Jan 2027, 00:30:00
4Fri, 01 Jan 2027, 00:45:00
5Fri, 01 Jan 2027, 01:00:00
6Fri, 01 Jan 2027, 01:15:00

Every 15 minutes in every dialect

SystemExpression
Azure Functions (this page)0 */15 * * * *
Quartz0 */15 * * * ?
Spring0 */15 * * * *
Crontab*/15 * * * *
Kubernetes*/15 * * * *
AWS EventBridge*/15 * * * ? *
JenkinsH/15 * * * *
GitHub Actions*/15 * * * *
node-cron*/15 * * * *
Apache Airflow*/15 * * * *
Google Cloud Scheduler*/15 * * * *

Need to translate a different expression? Use the cron converter.

Ready-to-use Azure Functions config

Drop this into your project. The expression is the one above.

Timer trigger (C#, isolated worker)
[Function("MyTimer")]
public void Run([TimerTrigger("0 */15 * * * *")] TimerInfo timer)
{
    // ...
}
Time zone (app setting)
WEBSITE_TIME_ZONE=Eastern Standard Time   # Windows name; Linux uses America/New_York
# Without it, NCRONTAB runs in UTC.

The Azure Functions fields, in order: second (0-59), minute (0-59), hour (0-23), day-of-month (1-31), month (1-12), day-of-week (0-6, 0 = Sunday).

Things to watch out for in Azure Functions

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 Azure Functions job every 15 minutes?

Use 0 */15 * * * *. Every 15 minutes.

What is the every 15 minutes cron expression in other systems?

Quartz: 0 */15 * * * ?; Spring: 0 */15 * * * *; Crontab: */15 * * * *. The table on this page lists every dialect.

Which time zone does Azure Functions use for this schedule?

Azure Functions evaluates NCRONTAB in UTC unless the WEBSITE_TIME_ZONE app setting is set; with it, the schedule adjusts for daylight saving. The setting is not supported on Linux Consumption or Flex Consumption plans.

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