Contao\Date::getNumericDatimFormat PHP Method

    public static function getNumericDatimFormat()
    {
        if (TL_MODE == 'FE') {
            /** @var PageModel $objPage */
            global $objPage;
            if ($objPage->datimFormat != '' && static::isNumericFormat($objPage->datimFormat)) {
                return $objPage->datimFormat;
            }
        }
        return \Config::get('datimFormat');
    }

 public static function getNumericDateTimeInterval($intStart = null, $intEnd = null, $strIntervalDelimiter = ' – ', $strDelimiter = ', ')
 {
     if (date(\Contao\Date::getNumericDateFormat(), $intStart) == date(\Contao\Date::getNumericDateFormat(), $intEnd)) {
         return static::getNumericDateInterval($intStart, $intEnd, $strIntervalDelimiter) . $strDelimiter . static::getNumericTimeInterval($intStart, $intEnd, $strIntervalDelimiter);
     } else {
         return static::getDateTimeInterval(\Contao\Date::getNumericDatimFormat(), $intStart, $intEnd, $strIntervalDelimiter);
     }
 }