At what time did "The Cask of Amontillado" take place and why is this so appropriate to the plot? Please help me! Thanks.Any help would be greatly...

Poe never reveals exactly what year "The Cask of
Amontillado" takes place. Since the story was first published in 1846, it could have
been at about the same time period. We do know that most of the story takes place at
night--the time which Montresor knows will be the least likely for anyone to witness his
act of revenge. Since it is the carnival season, Montresor has told his servants that he
will be out, knowing that the servants will also leave the premises. The late night
setting adds to the mystery and helps to build the suspense as Montresor leads Fortunato
deeper into the catacombs. It also adds a certain creepiness and foreboding to this tale
of murder.