asp的日期轉換星座函數

'日期轉換星座函數,參數是日期型
function astro(birth)
astro=""
if birth="" or not isdate(birth) Then exit function
birthmonth=month(birth) : if birthmonth<10 then birthmonth="0" & birthmonth
birthday=day(birth) : if birthday<10 then birthday="0" & birthday
birth=trim(birthmonth & birthday) '重整月日,0903型
rAstro=split("水瓶座*0120*0219#雙魚座*0220*0320#白羊座*0321*0420#金牛座*0421*0521#雙子座*0522*0621#巨蟹座*0622*0722#獅子座*0723*0823#處女座*0824*0923#天秤座*0924*1023#天蠍座*1024*1122#射手座*1123*1222#摩蠍座*1222*0119#","#")
astro="摩蠍座" '這個是跨年的，不好對比，先默認
for i_ls=0 to ubound(rAstro)-2
 rls2=split(rAstro(i_ls) & "*","*")
 if birth>=rls2(1) and birth<=rls2(2) then
  astro=rls2(0)
  exit for
 end if
next
end function