Le jour et la nuit (opera)

Le jour et la nuit (Day and Night) is an opéra-bouffe with a libretto by Albert Vanloo and Eugène Leterrier and music by Charles Lecocq. It was first performed in Paris in 1881, ran for 193 performances and was subsequently staged at other theatres in Europe, North America and Australia. It has not remained in the regular international operatic repertoire.

The opera depicts the confused events and various assumed identities surrounding the wedding night of a Portuguese aristocrat.