Cron Expression for The 15th of Every Month

0 0 15 * *

At 12:00 AM, on day 15 of the month. Mid-month payroll, statements, or reminder emails.

Field-by-field breakdown

Field	Value	Allowed range	Meaning
Minute	0	0–59	at minute 0
Hour	0	0–23	at hour 0
Day of month	15	1–31	on day 15
Month	*	1–12	every month
Day of week	*	0–6 (Sunday = 0)	every day of the week

Next 5 runs (your time zone)

Calculating upcoming runs…

Cron uses the time zone of the machine or scheduler that runs it, which is often UTC on servers.

How to use this schedule

crontab

0 0 15 * * /path/to/script.sh >> /var/log/job.log 2>&1

Kubernetes CronJob

apiVersion: batch/v1
kind: CronJob
metadata:
  name: my-job
spec:
  schedule: "0 0 15 * *"
  jobTemplate:
    spec:
      template:
        spec:
          containers:
            - name: my-job
              image: busybox
              command: ["sh", "-c", "echo running"]
          restartPolicy: OnFailure

GitHub Actions

on:
  schedule:
    - cron: '0 0 15 * *'  # UTC

Frequently Asked Questions

What is the cron expression for the 15th of every month?

Use "0 0 15 * *". In plain English: At 12:00 AM, on day 15 of the month.

What does "0 0 15 * *" mean?

Minute: at minute 0; Hour: at hour 0; Day of month: on day 15; Month: every month; Day of week: every day of the week.