Cron tool / First of every month
Cron expression for "first of every month"
The cron expression is 0 0 1 * * — At 12:00 AM, on day 1 of the month.
This schedule means
At 12:00 AM, on day 1 of the month
Calculating upcoming runs…
Using it
In a crontab, you'd write 0 0 1 * * /path/to/your/command. Most schedulers (Linux cron, Vercel Cron, GitHub Actions, Laravel, node-cron) accept this 5-field format.
Monitor a "first of every month" job
Cronmint runs 0 0 1 * * for you, logs every run, and emails or Slacks you the moment it fails — or silently doesn't run.