strtotime($month) not returning the correct timestamp

[allentcm]

Description

The following code:

date('n', strtotime('February')) // run on 27 Jun 2025
date('n', strtotime('February')) // run on 30 May 2025
<?php

Resulted in this output:

"2"
"3"

But I expected this output instead:

"2"
"2"

https://drive.google.com/file/d/1C_TqQZ95fKGdpqg2dTUv-Xdso6XFZAHY/view?usp=sharing
https://drive.google.com/file/d/1a5GIHG72hVxyawOSy-in2PuKA43NGOb8/view?usp=sharing
https://drive.google.com/file/d/1rFtocAqIY34WUgxlBlJ7HPbzyN3uL3bT/view?usp=sharing

PHP Version

PHP 8.3.19 (cli) (built: Apr  8 2025 03:57:19) (NTS)
Copyright (c) The PHP Group
Zend Engine v4.3.19, Copyright (c) Zend Technologies
    with Zend OPcache v8.3.19, Copyright (c), by Zend Technologies

Operating System

No response

[allentcm]

https://www.php.net/manual/en/function.strtotime.php