The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 11-20 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute 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.
Crontab is a file that contains instructions for the cron daemon, which is a program that executes commands at specified intervals. Crontab files are typically edited with the crontab command, which allows users to create, edit, and delete their own crontab files.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every minute between 11:00 am and 8:00 pm“:
FUN FACT: When editing your crontab, it is important to use a text editor that supports Unix-style line endings (LF), as opposed to Windows-style line endings (CRLF)..
You might want to set up a crontab or cron job to run every minute between 11:00 am and 8:00 pm for several reasons, including:
- Checking if a website is up
- Running a backup
- Sending out reminder emails
- Generating reports
Similar Cron Jobs
You might also want to run a crontab:
- every 12 minutes
- every 21 minutes
- every 28 minutes
- every 25 minutes
- every 23 minutes
- every 2 minutes
- every minute between 12:00 am and 5:00 pm
- every minute between 7:00 am and 11:00 pm
FUN FACT: Cron jobs are named after the Greek god of time, Chronos – so now you know where the name comes from!.
In this article, you learned how to set up a cron job that runs every minute 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.