Number Suffixes in AMPScript

sfmc-number-suffixes.html

%%[

var @day, @suffix

for @day = 1 to 31 do

  /* set @day = Format(Now(),"dd") */

  /* adapted from http://stackoverflow.com/a/13627586/812377 */
  if mod(@day,10) == 1 and mod(@day,100) != 11 then
    set @suffix = "st"
  elseif mod(@day,10) == 2 and mod(@day,100) != 12 then
    set @suffix = "nd"
  elseif mod(@day,10) == 3 and mod(@day,100) != 13 then
    set @suffix = "rd"
  else
    set @suffix = "th"
  endif

  outputline(concat("<br>",@day,@suffix))

next @i

]%%

Yes! Updated. Thank you.