src/Peach/DT/Datetime.php
private function getHourAdjuster()
    {
        static $adjuster = null;
        if ($adjuster === null) {
            $adjuster = new FieldAdjuster(self::$HOUR, self::$DATE, 0, 23);
        }
        return $adjuster;
    }
private function getHourAdjuster()
    {
        static $adjuster = null;
        if ($adjuster === null) {
            $adjuster = new FieldAdjuster(self::$HOUR, self::$DATE, 0, 23);
        }
        return $adjuster;
    }
「時」フィールドを調整する Adjuster です
@return FieldAdjuster
@codeCoverageIgnore