(case strftime('%m',InvoiceDate)
when '01' then substr(InvoiceDate,9,2)||'.01.'||substr(InvoiceDate,1,4)
when '02' then substr(InvoiceDate,9,2)||'.02.'||substr(InvoiceDate,1,4)
when '03' then substr(InvoiceDate,9,2)||'.03.'||substr(InvoiceDate,1,4)
when '04' then substr(InvoiceDate,9,2)||'.04.'||substr(InvoiceDate,1,4)
when '05' then substr(InvoiceDate,9,2)||'.05.'||substr(InvoiceDate,1,4)
when '06' then substr(InvoiceDate,9,2)||'.06.'||substr(InvoiceDate,1,4)
when '07' then substr(InvoiceDate,9,2)||'.07.'||substr(InvoiceDate,1,4)
when '08' then substr(InvoiceDate,9,2)||'.08.'||substr(InvoiceDate,1,4)
when '09' then substr(InvoiceDate,9,2)||'.09.'||substr(InvoiceDate,1,4)
when '10' then substr(InvoiceDate,9,2)||'.10.'||substr(InvoiceDate,1,4)
when '11' then substr(InvoiceDate,9,2)||'.11.'||substr(InvoiceDate,1,4)
when '12' then substr(InvoiceDate,9,2)||'.12.'||substr(InvoiceDate,1,4)
end)
how to add time after date?