<?php
$today = new DateTime('noon first day of this month +1 day');
$clone = clone $today;
//$clone->modify('+1 day');
$currentGenerateDay = (new DateTime('noon first day of this month'))->modify('+1 day');
echo $clone->format('Y-m-d H:i:s').' '.$currentGenerateDay->format('Y-m-d H:i:s');
var_dump($clone == $currentGenerateDay);
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0
2015-12-01 12:00:00 2015-12-02 12:00:00bool(false)