The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 20-23 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute between 8:00 pm and 11:00 pm.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is set to run at specific intervals. This can be anything from running a script every hour to backing up a database every day. Cron jobs are typically used for maintenance tasks or tasks that need to be performed regularly, such as checking for updates or sending out reports.
A crontab is a text file containing a list of commands that are executed at specified times. The commands in the crontab are executed by the cron daemon, which runs in the background and checks for new entries every minute.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every minute between 8:00 pm and 11:00 pm“:
FUN FACT: Cron jobs can be set up to run at specific times, or they can be configured to run periodically (e.g., every hour)..
You might want to set up a crontab or cron job to run every minute between 8:00 pm and 11:00 pm for several reasons, including:
- turn lights off at 11:00 pm
- post a daily summary of news events at 8:00 pm
- run a backup script at 9:00 pm
Similar Cron Jobs
You might also want to run a crontab:
- every 17 minutes
- every 11 minutes
- every 3 minutes
- every 6 minutes
- every 2 minutes
- every 4 minutes
- every minute between 1:00 am and 1:00 pm
- every minute between 3:00 am and 10:00 pm
- every minute between 2:00 am and 5:00 am
FUN FACT: Cron jobs can be used to automate just about any task that needs to be performed regularly – so get creative and see what you can come up with!.
In this article, you learned how to set up a cron job that runs every minute between 8:00 pm and 11:00 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 crontab cheat sheet for a list of hundreds of popular cron jobs.