Most population of Bali Island (90%) are Hindu and the others are Catholic, Protestant, Moslem and Buddhist. The Hinduism in Bali mixed with local tradition and culture, thus almost everyday you can find ceremony or festival.
The Balinese will be accompanied by rituals from birth to death. The birth is celebrated through the (penyambutan) ceremony, The three Month ceremony when the child is allowed to touch the ground an given the name. Every six month celebrate otonan (birth day), after the adulation they have (tooth filling) ceremony then wedding ceremony.
As we are Hindu we have also Cremation ceremony, if some one died we will cremate the death body. Common people said that through cremation the soul can go the Heaven.
Temples, houses and other building are celebrated every 210 days (6 month) as the anniversary ceremony. You can easily find ceremony almost everyday. This is one of the main reason why travelers come to bali.