The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 13-21 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute between 1:00 pm and 9:00 pm.”
What is a Cron Job & Crontab?
A cron job is a scheduled task that is typically executed automatically at a predetermined time or interval. Cron jobs are often used to perform routine system maintenance tasks, such as backing up files or databases, deleting temporary files, or sending email notifications.
A crontab is a file that contains a list of commands that are to be executed at specified times. The commands in the crontab are executed by the cron daemon, which runs in the background.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every minute between 1:00 pm and 9:00 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 minute between 1:00 pm and 9:00 pm for several reasons, including:
- Scheduling a meeting
- Turning off the lights
- Adjusting the thermostat
- Making dinner
- Doing laundry
Similar Cron Jobs
You might also want to run a crontab:
- every 21 minutes
- every 4 minutes
- every 15 minutes
- every 28 minutes
- every 11 minutes
- every 14 minutes
- every minute between 2:00 pm and 10:00 pm
- every minute between 11:00 am and 10:00 pm
- every minute between 7:00 pm and 9:00 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)..
In this article, you learned how to set up a cron job that runs every minute 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.