<P> (5) Loy Krathong--the Festival of Lights which is celebrated on the full moon night of the twelfth lunar month . The floating of lanterns, which began in the Sukhothai period, continued throughout the different stages of Thai history . The present day understanding is that the festival is celebrated as an act of worship to Chao Mae Kangka - the Goddess of the Waters for providing the water much needed throughout the year, and as a way of asking forgiveness if they have polluted it or used it carelessly . </P> <P> (6) Songkran Festival: Songkran day marks Thai New Year day . "Songkran" signifies the sun's move into the first house of the zodiac . </P> <P> (7) Visakha Puja Day which is considered as the greatest Buddhist holy day as it commemorates the birth, enlightenment and death of the Lord Buddha . </P> <P> Other famous ceremonial holy days include Magha Puja day, in February and Asalha Puja day in July which commemorates the day on which Lord Buddha delivered the First Sermon to his five disciples, namely, Konthanya, Vassapa, Bhattiya, Mahanama and Assashi at Esipatanamaruekathayawan forest and there explained his theory of the Four Noble Truths (Ariyasai). </P>

Discuss the cultural impact of india of the south-east asia during the ancient period