Related Clues:

• New Year's Eve mo
• Last of 12 pp
• Month after Nov
• Year ender, for short
• Last of 12, for short
• Mo. with the shortest day of the year
• Yr. closer
• Nobel Prize Day mo
• Busy mo. for FedEx
• Holiday mo
• Yule time: Abbr
• Fourth-quarter mo
• 'The holidays': Abbr
• 12th mo
• Busy mo. for UPS