New Year's Day, known as Nový rok in Czech, is a momentous occasion in the Czech Republic. It signifies not only the start of a new calendar year but also symbolizes new beginnings and opportunities. In the Czech Republic, New Year's Day is a public holiday which allows people to take the day off work and school to relax and celebrate the start of the new year with family and friends.

Traditional celebrations for New Year's Day in the Czech Republic can range from quiet, family-oriented gatherings to vibrant and noisy street parties. Many people toast to the new year at midnight with champagne or Czech sparkling wine. Fireworks are also a significant part of the festivities, with public and private displays illuminating the sky at midnight. Thanks to this tradition, Prague, the capital city, is known for its mesmerizing New Year's Day firework display that attracts both locals and tourists alike.

New Year's Day, along with the eve preceding it, may also include local traditions and customs passed down through generations. One such tradition is pouring molten lead into water and predicting the future based on the shape it takes once hardened. Also, Czech folk beliefs denote that what one does on January 1st will set the tone for the rest of the year, underlining the significance of this day in its culture. As such, many people visit church services, ensure their homes are clean, and avoid arguments to ensure good fortune for the remaining year.