High Quality Content by WIKIPEDIA articles! This is an overview of festivals and observances held as part of the practice of Ryukyuan religion or tradition on the Ryukyu Islands. Unless otherwise noted, dates are according to the lunar calendar. The categories below ("January - May" and "June - December") are artificial, created for ease of article navigation. For calendars of rites particular to Miyako-jima, Yaeyama, and Ishigaki, see their respective pages.