This page will help you quickly and easily set up a cron job to run every 4 days at 10:30 am.
The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 10 */4 * *
This cron command translates to the following (in Human-Readable format):
“Every 4 days at 10:30 am.”
What is a Cron Job & Crontab?
A cron job is a scheduled task that is typically executed by the operating system on a regular basis. Cron jobs are often used to perform maintenance or administrative tasks, such as backing up data or updating software.
A crontab is a file containing commands and instructions for the cron daemon to execute.
Cron Fields
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 4 days at 10:30 am“:
FUN FACT: Cron is typically used for things like system maintenance tasks, running backups etc..
Use Cases
You might want to set up a crontab or cron job to run every 4 days at 10:30 am for several reasons, including:
- To run a backup of all user data every 4 days
- To send out a reminder to users every 4 days
- To check for updates to the operating system every 4 days
- To compile statistics on website usage every 4 days
Similar Cron Jobs
You might also want to run a crontab:
- every 1 day
- every 3 days
- every 2 days
- every 10 days
- every 6 days
- every 5 days
- every 7 days at 1:00 am
- every 2 days at 10:30 am
- every 9 days at 5:30 am
FUN FACT: If you need to temporarily disable a cron job, you can simply comment out the line in the crontab file that corresponds to that particular task..
Wrapping Up
In this article, you learned how to set up a cron job that runs every 4 days at 10:30 am. 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 cron job cheat sheet for a list of hundreds of popular cron jobs.