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

Use 0 0 1 * * (standard five-field cron). Verify the next run times in the free cron debugger before you deploy.

Can Crontap run this schedule?

Yes. Crontap fires five-field expressions on your chosen cadence (1-minute floor on Pro), with per-schedule IANA timezones, retries, and failure alerts. Pro is $3.25/mo billed annually.

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Cron recipe

Cron job the first day of every month: the exact expression

The expression

five-field cron

0 0 1 * *

Paste it into crontab -e, your platform cron config, or tool.crontap.com/cronjob-debugger to preview the next runs.

What it does

Runs at midnight on the 1st of each month.

When to use it

Monthly invoices and statements
Generate PDFs and email customers when the calendar rolls.
License true-ups
Reconcile seat counts against your billing system.

Run this with Crontap

External HTTP cron hits your URL on this schedule, stores every response, and emails you when a run fails. No daemon on the box, no drift when the server reboots. Pro schedules down to a 1-minute cadence; $3.25/mo annual flat for unlimited jobs.

Schedule this interval Preview in the cron debugger →

Related recipes

More patterns in the cron syntax cheat sheet and what is a cron job in Linux.

FAQ

What is the cron expression for the first day of every month?: Use 0 0 1 * * (standard five-field cron). Verify the next run times in the free cron debugger before you deploy.
Can Crontap run this schedule?: Yes. Crontap fires five-field expressions on your chosen cadence (1-minute floor on Pro), with per-schedule IANA timezones, retries, and failure alerts. Pro is $3.25/mo billed annually.