There is a blue moon today. There was one in January. A blue moon is when get two full moons in a calendar month. There was a full moon on 1st Mar as today 31 Mar that means two in one month. Usually they are very rare; the next will not occur until 2020.
If superstitions / horoscopes are to be believed the blue moon will be good for love life, especially for Scorpio syphinx like myself.
Easter Sunday is this Sunday because Easter Sunday is the first Sunday after a The first full moon that occurs after spring equinox on 20th March. This is why the date of Easter moves.