What 0 0 1 1,4,7,10 * means
Midnight on the first day of January, April, July and October — the quarter starts for financial roll-ups.
In plain English, cron reads this as: at 12:00 am, on day 1 of the month, only in january, april, july, and october.
Field-by-field breakdown
| Field | Value | Meaning |
|---|---|---|
| Minute | 0 | at 0 |
| Hour | 0 | at 0 |
| Day of month | 1 | at 1 |
| Month | 1,4,7,10 | values 1,4,7,10 |
| Day of week | * | every value |
Editing this schedule
To adjust this expression or explain a different one, open the full cron expression parser — it explains any crontab line, lists upcoming runs and breaks down each field as you type. New to the syntax? The practical guide to cron expressions walks through every field with worked examples.