What is the day and season of the year during the first scene at Tom and Daisy's house?

Answer: Early summer, 1922.

Explanation:

It is happening in the early summer, 1922. year. Why summer? Because that is referring to a period that is associated with the new beginnings and regeneration. Fitzgerald is showing us the contrast between two seasons in his novel. Autumn and Summer.

Since in this case, we can see Tom Buchanan and Daisy, we can say also that the summer is also referring to something overwhelming and tension.