Cron Expression
0 0 * * 0
Cron Expression: Cron Every Sunday
Learn how to create a cron expression for 'cron every sunday'. Runs every Sunday at midnight with our free cron generator tool.
Expression Breakdown
0
Minute(0-59)
0
Hour(0-23)
*
Day(1-31)
*
Month(1-12)
0
Weekday(0-6)
| Field | Value | Meaning |
|---|---|---|
| Minute | 0 | At minute 0 |
| Hour | 0 | At hour 0 |
| Day of Month | * | Any day |
| Month | * | Any month |
| Day of Week | 0 | Sunday |
This cron expression represents: cron every sunday
Cron Expression
0 0 * * 0
What This Expression Does
Runs every Sunday at midnight. The final field is the day of week, where 0 means Sunday. Most cron implementations also accept 7 for Sunday, and the name form SUN works too — 0 0 * * SUN is equivalent.
Use Cases
Sunday is typically the lowest-traffic day of the week, making this ideal for:
- Weekly full backups (with incrementals on other days)
- Rebuilding search indexes or database statistics
- Heavy maintenance like
VACUUM FULLor table optimization - Generating the week-in-review report before Monday
How to Use
- Copy the cron expression above
- Open your crontab with
crontab -e - Add a new line with:
0 0 * * 0 /path/to/your/script.sh - Save and exit
Alternative Formats
-
Sunday by name:
0 0 * * SUN /path/to/script.sh -
Sunday at 3am (skip the midnight rush):
0 3 * * 0 /path/to/script.sh -
With logging:
0 0 * * 0 /path/to/script.sh >> /var/log/cron.log 2>&1