What is the cron expression for every Sunday?

The expression is 0 0 * * 0. Sunday is 0 (or 7 on some systems) in the day-of-week field.

Is Sunday 0 or 7 in cron?

Both. Standard cron accepts 0 for Sunday. Many implementations also accept 7. Using 0 is the most portable choice.

Cron Every Sunday

0 0 * * 0

Every Sunday at 12:00 AM

Next 10 Executions

Times shown in UTC

Sun, May 24, 202600:00
Sun, May 31, 202600:00
Sun, Jun 7, 202600:00
Sun, Jun 14, 202600:00
Sun, Jun 21, 202600:00
Sun, Jun 28, 202600:00
Sun, Jul 5, 202600:00
Sun, Jul 12, 202600:00
Sun, Jul 19, 202600:00
Sun, Jul 26, 202600:00

Field Breakdown

0

Minute

0

Hour

*

Day of Month

Every day

*

Month

Every month

0

Day of Week

Sun

About This Schedule

The cron expression 0 0 * * 0 runs a job every Sunday at midnight. Sunday is represented by 0 in the day-of-week field (some systems also accept 7 for Sunday).

Sunday is the traditional start or end of the week depending on your locale, making it a natural choice for weekly maintenance, full database backups, and weekly summary generation.