Thailand is the belief that people "don't celebrate first birthday to occurs." To anniversaries, birthdays, it means we'll be adding more and more closer to death. Therefore, the actual birthday before. Thus the rush to death
Thailand is the belief that man. "Do not celebrate his birthday the previous day," the day of the anniversary of the birth refers to the age increase. And dying more. So before the actual birthday celebration. It means to hasten death.
People have the belief that "don't celebrate my birthday to birthday". When the birthday anniversary means we are increased. And the closer to death. So the day before the birthday celebration. It means to hasten death.