Related Clues:

• What might prompt nostalgia
• Chess piece, not king, that's black in comparison
• Dark — thing (anag)
• Dark period close to end of plot
• When, say, club's great servant leaves ground: and on a free
• Nearly time for evening
• 'All my heart this -- rejoices', part of a carol
• The Darkness or Sir Elton John, say, on the radio
• Near end of employment, a dark time
• Dark radio piece
• Dark close, light's ending
• Two weeks by fort in darkness
• __-light
• "See ya in the morning!"
• On Venus, it lasts approximately 58 Earth days