Related Clues:

• In 'Hamlet,' it's 'in russet mantle clad'
• Poet's sundown
• Still, in verse
• Morn's counterpart
• Forenoon
• Hallow ending?
• Prenoon period, in poetry
• When roosters crow
• Poe's evening
• Dawn, to Donne
• It adds 10 to 8?
• "September ___" (Diamond)
• Velvet ender
• Rhyme time?
• Twilight time to a poet