When Is Vietnamese Lunar New Year 2025. Tet, or vietnamese new year, is the most important and widely celebrated holiday in vietnam. In 2025, the vietnamese lunar new year will fall from saturday, january 25th to sunday, february 2nd, marking the beginning of the year of the snake.
Tết 2025 will begin on wednesday, january 29, which marks the start of the lunar new year celebrations. Marking the start of the lunar calendar, tet 2025 begins on thursday, january 29,.