Related Clues:

• See 52-Down
• Morning time
• Opening time, maybe
• Coffee break time, perhaps
• Jack's inferior
• Diamond figure
• Routine perfection?
• Muse count
• Supreme Court, e.g.
• British P.M.'s house number
• See 41-Across
• Bridges
• Shop-opening time
• Bill in a till
• Prime-time time