👉 The term "crepuscle" is a name that refers to a particular period of time or day in which the sun's light appears to be most intense and illuminated. The word comes from Latin and means "dark hour," referring to the period immediately preceding the full moon, when the sky is dark and the temperature drops rapidly as the sun sets. The term "crepuscle" has been used historically to describe a time of day or event where the sun's light is most intense and illuminated