FeatureBuilder::getTimeMnemonic

static function getTimeMnemonic(DateTime $dateTime)
{
	$hour = $dateTime->format("G");

	if($hour <= 6)
	{
		return "night";
	}
	else if ($hour <= 11)
	{
		return "morning";
	}
	else if ($hour <= 18)
	{
		return "day";
	}
	else if ($hour <= 22)
	{
		return "evening";
	}
	else
	{
		return "night";
	}
}