Siwaratri is a significant religious ceremony for Balinese Hindus, and it is celebrated every year on the 14th day of the dark half of the Hindu lunar month of Magha.

On this day, Balinese Hindus observe a day of fasting, meditation, and prayer in honor of Lord Shiva, one of the principal deities in Hinduism. Devotees often spend the day visiting temples and performing rituals such as offering flowers, fruit, and incense to Lord Shiva.

Overall, Hari Raya Siwaratri is a day of deep spiritual significance for Balinese Hindus, and it is a time for reflection, purification, and seeking divine blessings.