public function get_timezone_abbr($display_timezone = false)
	{
		// determine the timezone to switch to
		$display_timezone and $timezone = static::$display_timezone;
		empty($timezone) and $timezone = $this->timezone;

		// Temporarily change timezone when different from default
		if (\Fuel::$timezone != $timezone)
		{
			date_default_timezone_set($timezone);
		}

		// Create output
		$output = date('T');

		// Change timezone back to default if changed previously
		if (\Fuel::$timezone != $timezone)
		{
			date_default_timezone_set(\Fuel::$timezone);
		}

		return $output;
	}