Mrs Dalloway (published on 14 May 1925) is a novel by Virginia Woolf that details a day in the life of Clarissa Dalloway, a fictional high-society woman in post–First World War England. It is one of Woolf's best-known novels.

The working title of "Mrs Dalloway" was "The Hours". The novel began as two short stories, "Mrs Dalloway in Bond Street" and the unfinished "The Prime Minister". It describes Clarissa's preparations for a party she will host in the evening, and the ensuing party. With an interior perspective, the story travels forward and back in time and in and out of the characters' minds to construct an image of Clarissa's life and of the inter-war social structure.

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