src/Record.php
protected function parseDateTime($value)
    {
        if (strlen($value) == 6) {
            return Carbon::createFromFormat('ymdHis', $value . '000000');
        }
        if (strlen($value) == 8) {
            return Carbon::createFromFormat('YmdHis', $value . '000000');
        }
        if (strlen($value) == 16) {
            return Carbon::createFromFormat('YmdHis', substr($value, 0, 14));
        } // skip decimal fraction
    }
protected function parseDateTime($value)
    {
        if (strlen($value) == 6) {
            return Carbon::createFromFormat('ymdHis', $value . '000000');
        }
        if (strlen($value) == 8) {
            return Carbon::createFromFormat('YmdHis', $value . '000000');
        }
        if (strlen($value) == 16) {
            return Carbon::createFromFormat('YmdHis', substr($value, 0, 14));
        } // skip decimal fraction
    }
Parse a *Representation of Dates and Times* (ISO 8601).
The date requires 8 numeric characters in the pattern yyyymmdd.
The time requires 8 numeric characters in the pattern hhmmss.f,
expressed in terms of the 24-hour (00-23) clock.

@param string $value

@return Carbon|null