What was the date Hitler wrote the book Mein Kampf?

hilter made a book called mein kampf which means my struggle the book was written whilst he was in prison. Hitler was sentenced for 5 years, he went to prison in April 1924 and was let out after 9 months on good behavour, he was released from prison on 20th December, 1924.dureing this time in prison he wrote mein kampf, Hitler admitted to Nazis that if he didnt go to prison he wouldn't have written mein kampf.