It has appeared in the film that the Chrysler Building and the Empire State Building are under construction. However, the background of this movie was set in 1922, and the construction of the Chrysler Building began in 1928, and the Empire State Building was built in 1930.
The background story of the film is set in 1922, but Gatsby's yellow car in the film is from 1929, and Tom Buchanan's blue car is from 1933. Almost all cars appear in the movie at a time that is incompatible.
In the film, the doctor gave Nick a ballpoint pen, but the ballpoint pen was invented after World War II.
It appears in the film when Gatsby and Daisy are in Nick's cabin at 4 o'clock in the afternoon. Later, when they looked at Daisy's house on the water, they looked east, and the sun was there. The sun is in the east, and this will only happen in the morning.
