The document discusses the West African Monsoon Time Scale, which is a chronological sequence of events arranged in a scale to study the past, present, and future movements of the West African Monsoon and its relationship to weather patterns. It describes how the scale is prepared with 365 horizontal days marked and main weather events pertaining to the monsoon season noted for each year. Maintaining this scale continuously would allow analysis of the monsoon's relationship to rainfall, weather problems, and natural calamities in the region over time.