Hari Raya Haji, also known as Aidiladha and alternatively spelt as Eid al-Adha or Eid Adha (Great Day of Sacrifice), is a festival observed by Muslims. It is one of two major Muslim festivals in Singapore that is celebrated as a public holiday, the other being Hari Raya Puasa. In Singapore, the prayers and rituals take place at mosques. As part of the celebrations, Muslims make house visits at houses of friends and families.