What kind of ceremonies did they have inside the Parthenon Temple?

The Parthenon Temple, dedicated to the goddess Athena, hosted various religious ceremonies and festivals, the most significant being the Panathenaic Festival. This event featured sacrifices, processions, and athletic competitions in honor of Athena, celebrating her patronage of the city of Athens. Inside the temple, the cult statue of Athena Parthenos was the focal point of worship, where rituals and offerings were made to seek her favor and protection. Additionally, special ceremonies such as the presentation of the new peplos (robe) to the statue were significant highlights of the religious calendar.