If that was the date were currently, the answer would be "today".
Today
You cannot! Answer dated: 13 January 2012
If the date were currently 13th January, 2012, the answer would be "today".
Today
If that was the date were currently, the answer would be "today".
If that was the date were currently, the answer would be "today".
If the date were currently 17th January, 2012, the answer would be "today".
If the date were currently 11th January, 2012, the answer would be "today".
tjttt
Today
Twentyth January two thousand and twelve
With today now being the 28th January 2012, I can't; however, if it was still yesterday, ie 27th January 2012, I could write it using the 5 letters T, O, D, A, Y, ie TODAY.