Possible Clues:

• Night of poetry?
• Sundown, in sonnets
• Donne's dinnertime?
• Sonneteer's sundown
• ''Velvet'' finish
• ''___ now, while walking down the rural lane'' (Longfellow)
• With 9-Down, albeit, poetically
• Dark time, for short
• Dark time, to a bard
• Poetic darkness