During it homes are thoroughly cleaned and windows are opened to welcome Laksmi, goddess of wealth.  
Beginning on the fifteenth day of Kartika, in north India, it honors the homecoming of Rama to Ayodhya after his victory over the demon king Ravana. During it homes are thoroughly cleaned and windows are opened to welcome Laksmi, goddess of wealth.  On the second day Kali is worshiped, while the fourth day falls on the first day of the lunar New Year.  For 10 points, identify this five day Hindu festival, often referred to as the Festival of Lights.
Beginning on the fifteenth day of Kartika, in north India, it honors the homecoming of Rama to Ayodhya after his victory over the demon king Ravana.
Diwali (Accept: Divali, Dewali, Deepavali)