DevOps

Cron Job on 1st Day of Every Month (0 0 1 * *)

Scaffold a monthly cron expression that triggers at 00:00 on day 1 of every month for billing and reporting.

Presets:
Generated Expression
0 0 1 * *
Human Translation

Runs at 0 of at 0, on day 1 of month, every day of week, in every month.

Cron Job on 1st Day of Every Month (0 0 1 * *): Crontab Guide & Expression

Monthly Billing and Archive Automation

Running on the first day of the month is the de facto standard for generating monthly client invoices, resetting usage quotas, and archiving prior-month log files.

0 0 1 * * /usr/local/bin/generate-monthly-invoices.sh

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How to Use

  1. 1

    Schedule Pre-Configured

    This page is pre-loaded with the '0 0 1 * *' expression. Check the human explanation and upcoming execution forecast below.

  2. 2

    Customize or Tweak

    Switch to the Cron Generator tab to tweak minute intervals, hours, or specific weekdays.

  3. 3

    Copy Crontab Syntax

    Click the Copy button to instantly copy the 5-field cron string for your crontab or pipeline.

Frequently Asked Questions

What is the cron expression for the first day of every month?+

The expression is '0 0 1 * *'. It runs at midnight (00:00) on day 1 of every month (January through December).

Can I use @monthly instead?+

Yes. In standard Vixie cron daemons, '@monthly' is an exact synonym for '0 0 1 * *'.