Religious holidays, also known as holy days or observances, are specific days or periods of time that have spiritual or religious significance for people of a particular faith. Synonyms for the term "religious holiday" may vary depending on the context or religion but can include religious festival, feast day, holy festival, holy day, religious observance, sacred holiday, pilgrimage, or prayer day. These special occasions may be marked by special religious rituals, fasting, prayer, or other spiritual practices. Regardless of the synonym used, religious holidays serve as an important reminder of the values, beliefs, and traditions of different faith communities.