Which of the following is the birth month - year of O?

Ages was calculated with respect to 2020 M was born on1988 hence age is 32. M’s birth month is neither August nor he born in first half of the year.  The difference between the age of M and Q is 6 years. M’s birth month is neither August nor he born in first half of the year. It is clear that M birth month is July O’s age is equal to the last two digit or birth year of Q and his birth month is not April. O’s is 82, 28, 94, and 49. As mention in the instruction. O’s age is 28 and 49. T’s age is m square number greater that M’s age and both are born on consecutive months.Person’s whose birth year is odd on the month, which has even number of days. P’s age is half of the age of S’s age whose age is last two digit of T’s birth year. N who was born just next month on which P born.  For Q and S month is not given. So