The woman would print calling cards indicating she would be "At Home" e.g. on "Fridays in April".
[1] The custom of "At Home" days was also observed in the British colonies, such as in Wellington, New Zealand.
The invention and proliferation of the telephone – facilitating the planning of visits on a shorter notice – did much to make away with the convention of "At Home" days.
[6]In Edith Nesbit's 1899 novel The Story of the Treasure Seekers, the phenomenon of the "At Home" day is used to express social differences: You know the people next door are very grand.
I daresay they have piles of plate and jewellery and rich brocades, and furs of price and things like that.