case DATETIME_TRANSFORMATION_TYPE::START_OF_YEAR:
            {
                for (SCROW nRow = 0; nRow <= nEndRow; ++nRow)
                {
                    CellType eType;
                    rDoc.GetCellType(rCol, nRow, 0, eType);
                    if (eType == CELLTYPE_VALUE)
                    {
                        double nVal = rDoc.GetValue(rCol, nRow, 0);

                        SvNumberFormatter* pFormatter = rDoc.GetFormatTable();
                        Date aDate = getDate(nVal, pFormatter);

                        nVal -= getDayOfYear(aDate.GetDay(), aDate.GetMonth(), aDate.GetYear()) + 1;
                        SvNumFormatType nFormatType = SvNumFormatType::DATETIME;
                        LanguageType        eLanguage = ScGlobal::eLnge;
                         ScAddress aAddress(rCol, nRow, 0);

                        sal_uLong nFormat = pFormatter->GetStandardFormat( nFormatType, eLanguage );

                        rDoc.SetValue(rCol, nRow, 0, nVal);

                        rDoc.SetNumberFormat(aAddress, nFormat);
                    }
                }
            }