Cron: Once a month
Runs the job on the first day of every month.
0 0 1 * *At 00:00 on the 1st of every month.
Field breakdown
| Minute | Hour | Day of month | Month | Day of week |
|---|---|---|---|---|
| 0 | 0 | 1 | * | * |
The five fields are, in order: minute (0–59), hour (0–23), day of month (1–31), month (1–12), and day of week (0–6, Sunday = 0).
Common use case
Monthly invoicing, subscription billing, or end-of-month reports.
Watch out for
Scheduling on day 31 silently skips months without a 31st. Use day 1, or “L” for the last day if your scheduler supports it.
Other common cron expressions
Build and test your own cron schedule with a live preview.
Open the Cron Expression tool