Related Clues:

• A month of Sundays
• Pieces of the past
• Solar and lunar periods
• Revolutionary periods?
• TRIPS AROUND THE SUN
• Indefinitely long time
• Dark __
• Census stats
• Mellows, like wine
• Reacts to time
• Mellows, in a way
• Yellows, maybe
• Decade parts
• 'It's been ___!'
• Candle representations