Set Default Time Zone

date_default_timezone_set("Asia/Kolkata");

Set Date Type

Today is  date("Y/m/d")
Today is  date("Y.m.d")
Today is  date("Y-m-d")
Today is  date("l");

Today is 2025/01/18
Today is 2025.01.18
Today is 2025-01-18
Today is Saturday

Add 10 Days to Month

$date = new DateTime();
$date -> add(new DateInterval('P20D'));
echo $date -> format('Y-m-d');

2025-02-07

Add 1 Month to Current

2025-04-18

Add 1 Month to Current

Add 1 Month to Current

Add 40 days to Current Date