Cron: Once a week

Runs the job once a week (Sunday at midnight).

0 0 * * 0

At 00:00 every Sunday.

Field breakdown

MinuteHourDay of monthMonthDay of week
00**0

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

Any once-a-week task such as a newsletter send or weekly cleanup.

Watch out for

This defaults to Sunday; change the day-of-week field (last position) to run on a different day.

Other common cron expressions

Build and test your own cron schedule with a live preview.

Open the Cron Expression tool