The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 15 * * *
This cron command translates to the following (in Human-Readable format):
“Every 1 day at 3:30 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.
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 1 day at 3:30 pm“:
FUN FACT: If you need to delete a cron job, simply remove the corresponding line from the crontab file and save your changes..
You might want to set up a crontab or cron job to run every 1 day at 3:30 pm for several reasons, including:
- A daily backup at 3:30 pm
- Sending a daily report at 3:30 pm
- Running a nightly cleanup script at 3:30 pm
Similar Cron Jobs
You might also want to run a crontab:
- every 4 days
- every 3 days
- every 7 days
- every 5 days
- every 2 days
- every 10 days at 8:00 am
- every 2 days at 11:00 pm
FUN FACT: Cron jobs are stored in a file called “crontab”, which is short for “cron table”..
In this article, you learned how to set up a cron job that runs every 1 day at 3:30 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.