public final function addHours( int $hours = 1 )
      : DateTime
   {

      return $this->move( new \DateInterval( 'PT' . \abs( $hours ) . 'H' ), $hours < 0 );

   }
public final function addHours( int $hours = 1 )
      : DateTime
   {

      return $this->move( new \DateInterval( 'PT' . \abs( $hours ) . 'H' ), $hours < 0 );

   }
public final function addHours ( int $ hours = 1 ) : DateTime { return $ this -> move ( new \ DateInterval ( 'PT' . \ abs ( $ hours ) . 'H' ) , $ hours < 0 ) ; }
Adds the defined number of hours.

@param  integer $hours The hours to add (use a negative value to subtract/remove the hours)
@return \Beluga\Date\DateTime Returns the current changed instance.
Adds the defined number of hours .