二日期的月份 (9872)

D2{=SUBSTITUTE(SUBSTITUTE(TEXT(SUM(IF(MONTH(A3)+ROW($1:$5)-1<=MONTH(B3)+(MONTH(A3)>MONTH(B3))*12,MOD(MONTH(A3)+ROW($1:$5)-2,12)+1)*100^{4;3;2;1;0}),"0月"&REPT("00月",4)),"00月",),"月0","月")