Key December National Days

National Christmas Lights Day — December 1

Launches the festive season with lighting ceremonies, mall celebrations, community festivals, and holiday markets.

National Salesperson Day — December 12

Hanukkah Begins — December 14

 Christmas Week — December 20–25

New Year’s Eve — December 31

Top December 2025 Events & Expos to Watch

Plant Based World Expo (New York — December)

A leading expo focused on plant-based innovation. 

Army–Navy Game (East Rutherford, NJ — Dec 13)

The Game Awards (Los Angeles — Early December)

A global entertainment event.

 Art Basel Miami Beach (Dec 4–7)

A premier luxury, art, and cultural event.