This page will help you quickly and easily set up a cron job to run once per day on Sunday to Wednesday.
The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 * * 0-3
This cron command translates to the following (in Human-Readable format):
“Once per day on Sunday to Wednesday.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is set to run at a specific interval. For example, a cron job can be set to run every day at midnight in order to update a database or send out nightly emails. Cron jobs are typically used for maintenance tasks that need to be performed on a regular basis.
A crontab is a file that contains instructions for the cron daemon. The cron daemon is a program that runs in the background and executes tasks at specified times. A crontab file consists of a series of lines, each of which represents a task to be executed. Each line has five fields, separated by spaces or tabs.
Cron Fields
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “once per day on Sunday to Wednesday“:
FUN FACT: Cron jobs are often used to perform regular maintenance tasks, such as running backups or sending out reports..
Use Cases
You might want to set up a crontab or cron job to run once per day on Sunday to Wednesday for several reasons, including:
- Run a database backup every Sunday to Wednesday at midnight
- Generate a report of website traffic every Sunday to Wednesday at midnight
- Send out a daily newsletter every Sunday to Wednesday at midnight
Similar Cron Jobs
You might also want to run a crontab:
- once per week on Friday
- once per week on Thursday
- once per week on Saturday
- once per week on Wednesday
- once per day on Monday to Saturday
- once per day on Tuesday to Wednesday
FUN FACT: When troubleshooting issues with cron jobs, it can be helpful to run them manually from the command line – this will allow you to see any error messages that might be generated..
Wrapping Up
In this article, you learned how to set up a cron job that runs once per day on Sunday to Wednesday. Please share this page with friends and colleagues if you find it useful.
If you have any questions, please don’t hesitate to comment below.
If you are looking for cron jobs that run at certain minutes, hours, days, weekdays, or months, or if you are looking for miscellaneous cron jobs, then check out our relevant sections, or visit our crontab cheat sheet for a list of hundreds of popular cron jobs.
