New Year's Eve is the last day of the year, December 31st, and it marks the transition into a new year. It's a time for celebration, reflection, and looking forward to the future.

Celebrations around the world vary widely, but some common traditions include: fireworks, parties and gatherings, the midnight countdown, special food, special customs and rituals.

Here are a few examples of how New Year's Eve is celebrated in different parts of the world:

Spain: Eating 12 grapes at midnight for good luck.

Brazil: Wearing white clothing and jumping 7 waves at the beach.

Scotland: First-footing, where the first person to enter a house after midnight brings good luck.

Japan: Eating soba noodles and visiting temples.

China: Setting off firecrackers to scare away evil spirits.