The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 12-18 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute between 12:00 pm and 6:00 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 or automation purposes.
Crontab is a file that contains commands and instructions for the cron daemon to execute. The crontab file is usually located in the /etc/cron directory. Each user on a system can have their own crontab file. The commands in the crontab files are executed by the cron daemon at the specified times.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every minute between 12:00 pm and 6:00 pm“:
FUN FACT: Cron is typically used for things like system maintenance tasks, running backups etc..
You might want to set up a crontab or cron job to run every minute between 12:00 pm and 6:00 pm for several reasons, including:
- Send a notification to the user at 12:05 pm
- At 12:15 pm, check if there are any updates that need to be made to the website
- Send a reminder to the user at 4:00 pm
Similar Cron Jobs
You might also want to run a crontab:
- every 19 minutes
- every 6 minutes
- every 25 minutes
- every 11 minutes
- every 3 minutes
- every minute between 12:00 pm and 8:00 pm
- every minute between 7:00 am and 11:00 pm
FUN FACT: If you want to edit your personal crontab, just type: “crontab -e” at the command prompt..
In this article, you learned how to set up a cron job that runs every minute between 12:00 pm and 6:00 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.