Related Clues:

• See 54-Across
• Junior, for one
• 2001, e.g.
• Birthday-to-birthday span
• Time piece?
• 2000, for one
• With 28-Across, late December
• Time period
• Sentence unit
• Wine taster's concern
• Sentence division
• Freshman or sophomore
• Wine info
• Time unit
• Time for a revolution?