How many persons between I and the one who joined company in November 23?

Answer the questions based on the information given below: Ten persons A, B, C, D, E, F, G, H, I and J joined their company in the months of May, August, September, October and November on either 21st or 23rd of these months. No two persons joined on the same day. They joined in the same year. Each person was aged differently. The persons whose age was odd valued joined the office in the months with odd number of days  and the persons whose age was even valued joined the office in the months with even number of days. The person who joined the Company on 21st May was 17 years old. Number of persons who joined the office after A was thrice as the number of persons who joined before the one aged 21. There were 3 persons who joined the office between the one who was aged 21 and J. J and C joined the company in the same month. G did not join in November. D joined immediately before G. G was aged twice as that of E who joined the office just after H. I joined the office just after F. F joined the company on a   23rd. There were 4 persons who joined the company between H and the one who was aged 35 years old. The one who was 35 years old joined the company before H. A and H were born in consecutive years and H'g age was a perfect square. D was 5 years elder to F whose age was a perfect square greater than 14. The person who was 33 years old and D joined company in consecutive months, not necessarily on consecutive turns. The number of persons, who joined before I, was equal to the number of persons who joined after the one who was aged 29 years. E was elder to I and they were born in consecutive years. The eldest person was 44 years old.