False-the begining of advent is computed by adding 3 days to the last thursday of novemberadvent sunday will fall on 27 november 2011 & 2 december 2012the liturgical colour for advent is violetor, if you wish you might be better served by unravelling wikipedias method for figuring advent sunday:advent sunday is the fourth sunday before christmas day. this is equivalent to the sunday nearest to st andrews day, 30 november, and the sunday following the solemnity of christ the king. it can fall on any date between 27 november and 3 december. when christmas day is a monday, advent sunday will fall on its latest possible date.