Cron Sunday at Midnight

The cron expression 0 0 * * 0 triggers at midnight on Sunday — the very start of the week on many systems. This is a standard weekly maintenance window for tasks that need the entire weekend's quiet period.

Sunday midnight is the traditional time for weekly system maintenance: full backups, database reindexing, log archival, storage cleanup, and weekly security scans. The timing ensures minimal user impact and a full night of processing time.

This is equivalent to 0 0 * * 7 on systems that support both 0 and 7 for Sunday. For a different weekly day, change the number: 0 0 * * 1 for Monday midnight.