Jangka Jayabaya is a collection of prophetic verses attributed to Jayabaya, a 12th-century king of the Javanese kingdom of Kediri in Indonesia. These prophecies are believed to predict significant events in Indonesian history, including the rise and fall of kingdoms, social changes, and natural disasters. The verses are written in Javanese and are often interpreted as a guide for the future. The prophecies of Jangka Jayabaya have become an important part of Javanese culture and folklore. Many people refer to these predictions to understand current events and anticipate future developments. The text reflects the rich tradition of oral literature in Indonesia and continues to influence cultural beliefs and practices today.