▁can ▁be ▁heard ▁throughout ▁Quebec ▁City . ▁Origin ally , ▁two ▁guns ▁were ▁fired ▁each ▁day , ▁at ▁ 1 2 : 0 0 ▁pm ▁to ▁alert ▁Quebec ▁City ▁residents ▁of ▁the ▁l unch ▁hour ▁and ▁Angel us , ▁or ▁no on - day ▁prayer ▁and ▁at ▁ 9 : 3 0 ▁pm , ▁mark ing ▁the ▁cur f ew ▁for ▁g unn ers ▁and ▁soldiers ▁in ▁the ▁city . ▁The ▁tradition ▁has ▁continued ▁since ▁ 1 8 7 1 , ▁save ▁for ▁between ▁ 1 9 9 4 ▁and ▁ 2 0 0 4 . ▁ ▁Build ings ▁ ▁The ▁fort ▁is ▁an ▁une ven ▁star ▁sh aped ▁cit adel ▁and ▁compr ises ▁four ▁bast ions ▁and ▁three ▁straight ▁cur tain ▁walls , ▁all ▁constructed ▁with ▁locally ▁quar ried ▁sand stone . ▁Within ▁its ▁walls ▁are ▁ 2 4 ▁buildings ▁constructed ▁mostly ▁of ▁grey ▁cut ▁stone . ▁ ▁Royal ▁and ▁vic er eg al ▁residence ▁ ▁The ▁Officer ' s ▁Bar ra cks , ▁a ▁ne o - N orm an ▁structure ▁built ▁in ▁ 1 8 3 1 ▁by ▁the ▁British ▁Army , ▁has ▁been ▁a ▁residence ▁of ▁the ▁Governor ▁General ▁of ▁Canada ▁since ▁ 1 8 7 2 . ▁The ▁residence ▁today ▁has ▁a ▁total ▁of ▁ 1 5 3 ▁rooms ▁over ▁, ▁including ▁offices ▁for ▁the ▁governor ▁general ' s ▁secretary . ▁ ▁The ▁entrance ▁into ▁the ▁original ▁area ▁of ▁the ▁residence ▁is ▁through ▁a ▁set ▁of ▁double ▁doors ▁beneath ▁a ▁ne o - class ical ▁por ch ▁bearing