lucky day for me to open a business

Hello dear I'm planning to open a business this month November 2017 or maximum December 2017 . Please i need your help, please tell me which date is my lucky day to open a business this month November or December 2017 maximum. I was born in the year of the Tiger February 20, 1974 and my husband born year of the monkey June 18, 1968.
Waiting to receive your reply soon.