From Beijing to Hanoi and Moscow, the holiday — known as the Spring Festival in China, Tet in Vietnam and Seollal in Korea — is a major festival celebrated by diaspora communities around the world. Wednesday marks the start of the Year of the Snake, one of 12 animals in the Chinese zodiac.

The first new moon of the lunar calendar officially ushered in the new year in many cultures Wednesday, marking the imminent arrival of spring and the first day of the Year of the Snake, which symbolizes good luck, rebirth and regality.

Also known as Chinese New Year, it marks the beginning of the lunar new year based on the lunar calendar, typically falling between Jan. 21 and Feb. 20.

Across the world, hundreds of millions of people are welcoming the Year of the Snake as they celebrate the Lunar New Year with fireworks, family time and festive dances. In north and Southeast Asia, from China to Indonesia,

Lunar New Year is widely celebrated in Asian societies of the world that were within dynastic China's sphere of influence, or have large Chinese populations. It's why South Korea, Vietnam, and Singapore celebrate, but Japan does not. The day before the first new moon of the year is like Thanksgiving.

This year, Lunar New Year begins today, Wednesday, Jan. 29, and ends Feb. 12. Lunar New Year, also widely regarded as Chinese New Year since the late 19th century when it gained global recognition through Chinese immigrant communities, is a centuries-old tradition rooted in the lunar calendar.

To welcome the year of the snake, Tet Fest celebrates with authentic food, music and dances. From Jan. 31 to Feb. 2, the Mary Queen of Vietnam Church in the Village de L'Est of New Orleans East, the state's largest Vietnamese community, transforms into a culinary wonderland, offering traditional fare like pandan waffles and pho.

Firecrackers, parades and prayers are marking the start of the Year of the Snake around Asia and farther afield

Over 1 billion people celebrate the holiday, which marks the transition from cold winter to a season of renewal and ushers in one of 12 Chinese zodiac signs.

From public parades to traditional dances, here's how countries around the world are celebrating the Year of the Snake.