What is the constellation of September 1 day in 90 Gregorian calendar?

Gregorian calendar is September 1, so 23/08-22/09 is Virgo's perfect lover.

Analysis of Virgo's Personality Characteristics

Advantages: modesty, neatness, carefulness, clear thinking, strong analytical ability and ability to distinguish right from wrong.

Disadvantages: like to find fault with eggs, demanding too much, sentimental, fussy, stuffy and hard to please.