The proclamation of the date of Easter and the other moveable feasts on Epiphany is one of the many things that was a practical necessity in time of old, but is kept within liturgical use (similar to candles providing light at Mass). It is something that any parish can use Epiphany Sunday after the gospel (in the ordinary form).
There are two scores in the file, depending on which day your Diocese celebrates the Ascension.
Edit (12:39pm CST): Thanks to Veronica Brandt for the EF score as well.
Edit (2:29pm CST): Thanks to Andrew Motyka for the OF modern notation score.