Vietnam has many traditional and religious holidays but none can be compared to New Year festival, Tet Nguyen-Dan or, in short, Tet, which may fall in late January or early February. New Year's Belief Vietnamese believe the first day and the first week of the new year will determine the fortunes or misfortunes for the rest of the year. It is a time to pay debts, forgive others, correct one's faults, and start the new year with a clean slate. During Tet, all actions should be pure and beautiful as the attitude of the first few days of the new year sets the tone for the remainder of the year. During the Tet festival, all stores are closed and businesses are interrupted for at least 3 days. More information