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Cron Job Every Minute Between 3:00 am & 4:00 pm (Crontab)

This page will help you quickly and easily set up a cron job to run every minute between 3:00 am and 4:00 pm.

The Cron Job/Crontab

To have your task run at this frequency, use the following cron:

* 3-16 * * *

This cron command translates to the following (in Human-Readable format):

“Every minute between 3:00 am and 4:00 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.

A crontab is a table or list of commands that are scheduled to run at specified times. The commands in a crontab file (also called a “cron table”) are normally executed by the cron daemon, which runs in the background and executes these commands automatically.

Cron Fields

Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every minute between 3:00 am and 4:00 pm“:

  • Field 1: (*) indicates that the task will be run every minute.
  • Field 2: (3-16) indicates that the task will be run between hours 3 and 16 (3 am to 4 pm).
  • Field 3: (*) indicates that the task will be run every day of the month.
  • Field 4: (*) indicates that the task will be run every month.
  • Field 5: (*) indicates that the task will be run every day of the week.
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    FUN FACT: Cron is one of the most powerful tools available on a Linux system – use it wisely!.

    Use Cases

    You might want to set up a crontab or cron job to run every minute between 3:00 am and 4:00 pm for several reasons, including:

    • Checking if a website is up
    • Performing backups
    • Sending out notifications or updates
    • Fetching data from an external source
    • Processing payments
    • Generating reports

    Similar Cron Jobs

    You might also want to run a crontab:

    FUN FACT: Cron jobs are often used to perform regular maintenance tasks, such as running backups or sending out reports..

    Wrapping Up

    In this article, you learned how to set up a cron job that runs every minute between 3:00 am and 4:00 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.

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