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Cron Job Every Minute Between 5:00 am & 9:00 pm (Crontab)

This page will help you quickly and easily set up a cron job to run every minute between 5:00 am and 9:00 pm.

The Cron Job/Crontab

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

* 5-21 * * *

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

“Every minute between 5:00 am and 9:00 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.

The crontab is a file that contains instructions for the cron daemon. The crontab is typically edited using the crontab command.

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 5:00 am and 9:00 pm“:

  • Field 1: (*) indicates that the task will be run every minute.
  • Field 2: (5-21) indicates that the task will be run between hours 5 and 21 (5 am to 9 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: You can use cron to schedule just about anything!.

    Use Cases

    You might want to set up a crontab or cron job to run every minute between 5:00 am and 9:00 pm for several reasons, including:

    • Checking for updates to a remote database
    • Polling data from sensors
    • Generating reports
    • Fetching data from an API

    Similar Cron Jobs

    You might also want to run a crontab:

    FUN FACT: If a cron job is not properly configured, it might never execute – so make sure you double-check your settings before setting one up!.

    Wrapping Up

    In this article, you learned how to set up a cron job that runs every minute between 5:00 am 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.

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