$register_date = get_the_author_meta( ‘user_registered’, get_current_user_id() );
$d1 = new DateTime($register_date);
echo “Registered Date :” . $d1->format(‘Y-m-d h:i:s’) . “
“;
$d1->modify(‘+12 days’);
echo “Increased Date :” . $d1->format(‘Y-m-d h:i:s’) . “
“;
$d1->modify(‘next 8am’);
echo $day2->format(‘Y-m-d h:i:s’) . “
“;