Per the original pilot of Night Court 1984-1992 to be a judge you must have practiced law for a minimum of ten (10) years. When the show ended in 1992 Harry was still single with no kids. This means, if the new Night Court is taking place in 2023 Abby Stone could not be more than 30 to 31 years of age. This means she would have had to graduate law school at age 21 in order to become a judge.
As Abby was questioning the psychic lady, her engagement ring isn't on her finger. In the next shot of her, it's there. Then the shot after that, it's gone, and then, somehow, it's in her hand when she never was seen taking it off.