The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 11-20 * * *
This cron command translates to the following (in Human-Readable format):
“Every hour between 11:00 am and 8:00 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 commonly used to automate system maintenance or administration tasks, such as running backups or sending emails.
The crontab is a file that contains instructions for the cron daemon. The crontab is typically edited using the crontab command.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every hour between 11:00 am and 8:00 pm“:
FUN FACT: Each user on a system can have their own crontab, and commands in them will be executed as that user..
You might want to set up a crontab or cron job to run every hour between 11:00 am and 8:00 pm for several reasons, including:
- Daily backups
- Checking for new emails
- Generating reports
- Clearing log files
Similar Cron Jobs
You might also want to run a crontab:
- every 10 hours
- every 5 hours
- every 2 hours
- every 6 hours
- every 12 hours
- every hour between 6:00 am and 4:00 pm
- every hour between 12:00 am and 6:00 am
FUN FACT: Cron jobs are named after the Greek god Chronos, who represents time itself..
In this article, you learned how to set up a cron job that runs every hour between 11:00 am and 8:00 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.