This page will help you quickly and easily set up a cron job to run every 7 hours at 30 minutes past the hour.
The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 */7 * * *
This cron command translates to the following (in Human-Readable format):
“Every 7 hours at 30 minutes past the hour.”
What is a Cron Job & Crontab?
A cron job is a scheduled task that is typically executed by the operating system. Cron jobs are often used to automate repetitive tasks, such as backing up files or checking for updates.
A crontab is a file containing commands and instructions for the cron daemon to execute. The crontab is used to schedule jobs (commands or shell scripts) to run periodically at certain times or dates.
Cron Fields
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 7 hours at 30 minutes past the hour“:
FUN FACT: Cron jobs are stored in a file called “crontab”, which is short for “cron table”..
Use Cases
You might want to set up a crontab or cron job to run every 7 hours at 30 minutes past the hour for several reasons, including:
- checking for system updates and applying them
- running a daily backup
- generating reports
- sending out notifications
Similar Cron Jobs
You might also want to run a crontab:
- every 9 hours
- every 10 hours
- every 3 hours
- every 11 hours
- every 6 hours at 10 minutes past the hour
- every hour between 8:00 pm and 11:00 pm
- every hour between 3:00 am and 6:00 pm
FUN FACT: If a cron job is not properly configured, it might never execute – so make sure you double-check your settings before setting one up!.
Wrapping Up
In this article, you learned how to set up a cron job that runs every 7 hours at 30 minutes past the hour. 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.