Dickens further heightens this confusion by continually describing the tolling of a bell:
The bells indicate the passage of time, yet the three spirits all appear on the same night
Further, dramatic tension is also created through the use of time as Scrooge and the reader are repeatedly reminded that the spirits have a limited time to convey their message to Scrooge:
Ghost of Christmas Past: "My time grows short... Quick!"
Ghost of Christmas Present: "My life upon this globe, is very brief"
Scrooge to the Ghost of Christmas Yet to Come: “The night is waning fast, and it is precious time to me, I know”:
Dickens’s continual references to time allude to Scrooge’s limited time in which to redeem himself
They may also be used to denote the endless state of purgatory which awaits Scrooge if he does not change