Galungan is a Balinese holiday celebrating the victory of dharma over adharma. It marks the time when the ancestral spirits visit the Earth.Galungan is about the victory of dharma over adharma. The series of Hindu religious ceremonies that are performed during the 10-day Galungan-Kuningan period are generally considered to be the most important ones of Hindu Bali. During this period the followers of the Balinese Hindu Dharma religion focus on the importance of living a life based on dharma.Galungan Nadi – If Galungan Day coincidences with Purnama (full moon) – similar to the first celebration which took place at Purnama, October 15, 882 AD – then the ngotonan (anniversary) of Galungan is celebrated, a special day that is blessed by Sang Hyang Ketu (Dewa Kecemerlangan). Galungan Nadi occurs about every 10 years and is celebrated in a much more solemn way than ordinary Galungan celebrations; in general the offerings on this day will be more elaborate.