Central Region
People in this region always clean their house when approaching the Songkran Festival. Everyone dressed up in colorful clothes. After people present food to the monks they will offer a Requiem to the ancestors who have passed away. People also has the other merit such as pagoda which is intended to give sand to temple for construction or repair. Other forms of merits is releasing bird and fish. Nowadays, people also release other kinds of animal , for example, buffalo and cow.
South
In the southern part of Thailand, they call Songkran festival as free day. People in this part also do everything like in the other part of Thailand. They have their own three rules. First, everyone should not be busy from any work and should not spend any money. So before April 13 of ever year, people in the south prepare everything that should be used in that three days. Second they should not hurt other people or animals. Third they should not lie.