One of the main reasons Catholics light candles is as a form of prayer or devotion. For example, a person might light a candle in honor of a particular saint or ask for the intercession of a saint on their behalf. Candles may also be lit to remember or honor a deceased loved one or offer thanks or petition to God.
In addition to being used as a form of prayer or devotion, candles are also used in the Catholic Church for liturgical purposes.
For example, candles are often lit during Mass, particularly on special occasions such as Easter and Christmas. Candles may also be lit during other liturgical ceremonies, such as baptisms, confirmations, and weddings.
Finally, lighting candles can also serve as a way to create a peaceful, contemplative atmosphere in a church or other sacred space. The soft, flickering light of candles can help to create a sense of calm and reflection, and many people find it to be a meaningful and uplifting way to connect with their faith.
