Use the following code for current date with different format
Input
<?php
echo "Today is " . date("Y/m/d") . "<br>";
 
echo "Today is " . date("Y.m.d") . "<br>";
echo "Today is " . date("Y-m-d") . "<br>";
echo "Today is " . date("l");
?> 				Output
					Today is 2020/09/15
Today is 2020.09.15
Today is 2020-09-15
Today is Tuesday
				Today is 2020.09.15
Today is 2020-09-15
Today is Tuesday
Use the following for previous date Tomorrow
Input
<?php
echo "Yesterday Date: " . date('Y-m-d', strtotime(' -1 day'));
?> 				Output
					Tomorrow Date: 2020-09-14				
				Use the following for next date
Input
<?php
echo "Tomorrow Date: " . date('Y-m-d', strtotime(' +1 day'));
?> 				Output
					Tomorrow Date: 2020-09-16				
				
				Total Views: 1,684