Possible Clues:

• Darkening time in verse
• ''My Ploughman he comes hame at __'': Burns
• Nighttime in kilt land
• ''Hallow'' ending
• When there may be poetic red sky observed (sun's beginning to go)
• Cant end
• This might even put a put a pot over it to make it illicit (1'2)
• 'I should ___ die with pity, / To see another thus': Shak
• After-dusk time, to a poet
• Dark time, in poesy