According to Libelle No28, 14 July 1939
It begins with drinking a cup of coffee or hot chocolate with a warm croissant in bed, then with morning exercises to keep her figure:
Then she takes the shower (here she is in her bathrobe, presumably:)
and goes horse riding where she meets her girlfriends and discusses the last evening party
When she comes home she takes a bath and goes shopping at around 11 a.m.:
Back at home at dinner time (French used to eat their main meal around the midday and many still do), where she changes into an afternoon dress, where there are visitors or not:
After dinner her friend phones to inform her there is a new hat and naturally, she goes to check:
Then changing for the cocktail hour:
Finally the evening comes. Should she go to the opera:
While I doubt every woman changed her clothes quite so often (and it surely didn't happen in lower class families), the fact remains that even in the 1980s trashy novel that I possess which describes the life on a farm in South Africa, people did change for dinner.
When I compare it with the way a modern woman dresses and looks I do get an uneasy feeling that we as a culture distinctly lost something...