Kraton Ngayogyakarta some kind of inheritance, such as weapons of the spear, dagger, regalia, ampilan, pennants, gamelan and trains. Heirlooms called majesties Dalem it usually has a name, and has an honorary degree as Kangjeng Kyai or Kangjeng Nyai, even Kangjeng Kyai Ageng heirloom believed to have magical powers, at most. Heritage palace believed to be sacred, and to have supernatural powers. Most of the palace treasures passed down from generation to generation, and some even came from the palace Demak
.
Heirlooms are usually intensively cleaned once a year in the month of Sura in the Javanese calendar as one form of traditional ceremonies performed by relatives every year Ngayogyakarta Palacecommonly known as Heritage Siraman ceremony. The word comes from the word flush shower (bath). What is meant by Heritage Kraton is a splash of water to bathe or inheritance of property owned by the Palace Ngarsa Dalem Ngayogyakarta. The ceremony is held in Sura and is closed, aka the general public is not allowed to see. For two days, there are approximately 200 pieces of heirloom Kraton included in the ceremony.
There is a heritage which cleared only by the Sultan himself to take place in the inner palace. Treasures that fall into this category include Kangjeng Kyai Ageng Plered. There are cleansed by the Sultan's brothers, and some are cleared by the courtiers. There is a heritage that is cleaned on-site maintained her privacy, but there are also cleaned the open place visited by many people, such as royal carriages. Indeed, there are some audiences that trying to get the train wash water, in the hope of the blessing of the former flower water or washing royal heirlooms are considered sacred.
Source : Wikipedia