Ask a Stupid Question Day is a holiday that is sometimes celebrated in the United States, usually by school students and teachers. Although Ask a Stupid Question Day's default date is September 28, in practice it is usually observed on the last school day of September.
September 28 is Ask a Stupid Question Day, a day that is devoted to all stupid and silly questions out there. Originally an unofficial American holiday, the date coincides with the last day of school in September. The day encourages students to ask more questions in classrooms.