Related Clues:

• Period of history
• During office hours
• Memorable time
• Student datum
• What Dorian Gray didn't do
• Historical period
• Candle count
• Ripen
• Sit in the cellar
• See 55-Across
• Beauty preceder?
• Epoch
• Questionnaire datum
• Time of one's life
• From nine to five, in the classifieds