The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 13-21 * * *
This cron command translates to the following (in Human-Readable format):
“Every hour between 1:00 pm and 9:00 pm.”
What is a Cron Job & Crontab?
A cron job is a task that is scheduled to run at a specific time or interval. Cron jobs are typically used for maintenance tasks, such as backing up data or updating software.
A crontab is a file containing commands and instructions for the cron daemon to execute.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every hour between 1:00 pm and 9:00 pm“:
FUN FACT: The most common way to edit cron jobs is using the crontab command – this stands for “cron table,” and it contains all the information about when your tasks should be executed..
You might want to set up a crontab or cron job to run every hour between 1:00 pm and 9:00 pm for several reasons, including:
- sending a daily reminder email to sign up for the company’s newsletter
- backing up data from the company’s servers
- generating reports on website traffic for the day
Similar Cron Jobs
You might also want to run a crontab:
- every 9 hours
- every 4 hours
- every 3 hours
- every 10 hours
- every 6 hours
- every 8 hours
- every hour between 1:00 pm and 7:00 pm
- every hour between 5:00 am and 4:00 pm
FUN FACT: Cron jobs are used to schedule commands or scripts to run automatically at a specified time and date..
In this article, you learned how to set up a cron job that runs every hour between 1:00 pm and 9:00 pm. 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.