How to show time with php code with the right timezone

Try to change timezone in you code like that:

date_default_timezone_set('you/timezone');

You can use date_default_timezone_set or DateTimeZone

Example

echo date('H:i'),PHP_EOL;

date_default_timezone_set('Iran');
echo date('H:i'),PHP_EOL;

//Or

$date = new DateTime("now", new DateTimeZone("Asia/Tehran"));
echo $date->format("H:i"),PHP_EOL;

Output

14:24 
17:54
17:54