The DC Christmas tree lighting is an annual event that takes place in Washington DC on the first Sunday in December, with this year's tree lighting taking place on December 4, 2022. It is a festive and colorful ceremony that features performances by local musicians, artists, and dancers. The ceremony is followed by a fireworks display and the lighting of the tree itself, which is usually decorated with hundreds of lights and ornaments. The event is free and open to the public, making it a wonderful way to kick off the holiday season in the nation's capital.