1/ It occurs around the end  of January and the beginning of February.
2/ the meaning of Tet is ending old year and welco new year 
3/Before Tet holiday, people  comeback their homes  prepare for Tet such as: buying a new clothes and clean theỉ houses
4/During Tet holiday, people have many typical activities: Young people can take part in the traditional games, others will visit their relatives to wish a happy new year . Woman .....year 
5/ They eager they can be given lucky money by alduts