Related Clues:

• 88 days, on Mercury
• Many a Roman numeral
• Sentencing unit
• Diary length, often
• Strangely, it's shorter than a day on Venus
• See 33 Across
• 1994 or 1876
• Wine industry reference point
• Twelve months
• 1776 or 2000
• Number on an almanac
• Whiskey or wine datum
• Año, to Andrew
• Century fraction
• Wine label datum