tomb sweeping festival; Okinawan Qingming Festival
Okinawan festival held around April 4 or 5, when families visit and clean ancestral tombs. Also known as シーミー.
See also: シーミー
In Okinawa, families visit graves during the Seimeisai festival.
The Seimeisai festival is held at the beginning of April every year.
From Chinese 清明節 (Qingming Festival), adapted into Okinawan culture as a tomb-sweeping festival.