List of Purnima (full moon)

The day of Baisakh Purnima (बैशाख पूर्णिमा) is also celebrated as Buddha Jayanti (बुद्ध जयंती). This is the day when Gautam Buddha was born and also died. 

The day of Jestha Purnima (जेष्ठ पुर्णिमा) is celebrated as Bata Sabitri (वट सावित्री). Somethimes its also celebrated in the day of Jestha Aunshi (जेष्ठ औंशी). Womens take brata (fasting) on the day. The main objective of the celebration is to acquire good fortune and to be a ritualistic good Hindu women. 

The day of Ashadh Purnima (आषाढ़ पूर्णिमा) is celebrated as Guru Purnima (गुरू पूर्णिमा) or the Teachers day. This day is also the birthday of Maharishi Vyas.

The day of Shrawan Purnima (श्रावन पुर्णिमा) is celebrated as Rakshya Bandhan (रक्षाबंधन) or Rakhee (राखी) and Janai Purnima (जनै पुर्णिमा).

The day of Bhadra Purnima (भाद्र  पुर्णिमा) is celebrated as the starting day of Shora Shradda (सोह्र श्राध्द) which end in following Aunshi (औंशी / new moon) day. The following 15 days after this is Dashain (दशैं) period.

The day of Ashwin Purnima (आश्विन पुर्णिमा) is celebrated as Kojagrat Purnima (कोजाग्रत पुर्णिमा). This is the last day of Dashian (दशैं).

The day of Kartik Purnima (कार्तिक पुर्णिमा) is celebrated as Tripurari purnima (त्रिपुरारी पुर्णिमा)   because Lord Shiva had destroyed the devil Tripurashur (त्रिपुरासुर) in this day.

The day of Mangsir Purnima (मङ्सिर पुर्णिमा) is celebrated as Udhauli Festival (उधौली पर्ब ) by Kirat (किराँत) community. The popular Sakela (सकेला) dance is performed during the festival.

The day of Paush Purnima (पौष पुर्णिमा) is celebrated taking a Holy Dip in the river. This day is also celebrated as Sakambari Jayanti (शकम्बरी जयन्ति).

The day of Magh Purnima (माघ पुर्णिमा) is celebrated taking a Holy Dip in the river.

The day of Falgun Purnima (फाल्गुन पुर्णिमा) is celebrated as Holi (होली) / festival of colors.

The day of Chaitra Purnima (चैत्र पुर्णिमा) is celebrated as celebrated as Hanuman Jayanti (हनुमान जयन्ति / birth day of Hanuman).

See Also

List of Ausi (Krishna Pakshya, No moon)
List of Ekadashis (the holy 11th day)
List of ALL important hindu days