Why do JWs mostly go door to door in the mornings?
Once upon a time, in a land very different than today, women stayed home to care for their families. Mothers got their husbands off to work and the children off to school. The rest of her morning was devoted to cleaning and washing and making her house a home for her family to return to. Her afternoons were devoted to preparing a nutritious meal.
The way the world was when Russell and Rutherford were busy recruiting servants to sell their brand of religion mornings were most likely the best time of the day to find the women - a large army of women - who could be talked into selling books in the guise of teaching religion.
Oh how times have changed