Bard's Twilight is a term used to describe the time of day when the sun is setting and the sky is transitioning from day to night. It is also known as the 'magic hour' or 'golden hour' due to its unique lighting. The term is derived from William Shakespeare's poem, 'The Phoenix and the Turtle, ' which references the twilight as a time of peace and beauty. The crossword solution for Bard's Twilight is 'EEN, ' which is an abbreviation for the phrase 'EVENING.'