How to Subtract Hours from DateTime in PHP?

Now, let's see example of php subtract hours from datetime. let’s discuss about php subtract hours from current time. this example will help you how to subtract hours from time in php. I’m going to show you about how to subtract hours from current time in php. Let's get started with subtract 1 hour from current time in php.

I will give you very simple example how to sub hours to date and time in PHP. so let's see both example with output:

Example 1: PHP Subtract Hours to DateTime

index.php

<?php
  
    $date = "2021-11-01 10:10:05";
    $newDate = date('Y-m-d H:i:s', strtotime($date. ' -3 hours'));
  
    echo $newDate;
  
?>

Output:

2021-11-01 07:10:05

Example 2: PHP Subtract Hours to Current DateTime

index.php

<?php
  
    $newDate = date('Y-m-d H:i:s', strtotime(' -3 hours'));
  
    echo $newDate;
  
?>

Output:

2021-11-10 03:49:33

i hope it can help you...