Cron expression for every month

About 0 0 1 * *

0 0 1 * * — Runs at midnight on the 1st of every month. The standard choice for monthly billing runs and reports.

Cron reads the five fields as minute hour day month weekday. For this schedule that breaks down as:

New to cron? Read the syntax reference or the FAQ.

Use it in crontab or GitHub Actions

Both snippets are ready to paste. A crontab runs in the server's local timezone; GitHub Actions always evaluates schedules in UTC. For Kubernetes, AWS EventBridge, or Vercel, use the export menu in the calculator above.

crontab

# At 12:00 AM, on day 1 of the month
0 0 1 * * /path/to/command

GitHub Actions workflow

# At 12:00 AM, on day 1 of the month
# Note: GitHub Actions always runs schedules in UTC.
on:
  schedule:
    - cron: '0 0 1 * *'

Monthly & yearly schedules

• the first of the month at 9 AM0 9 1 * *
• the 15th of every month0 0 15 * *
• every quarter0 0 1 1,4,7,10 *
• every year0 0 1 1 *
• the last day of the month≈ 0 0 28-31 * *

Build a custom cron expression →