Purnima (Hindi: पूर्णिमा, Malayalam: പൗർണമി/പൂർണ്ണചന്ദ്രൻ, Telugu: పూర్ణిమ/పౌర్ణమి, Tamil: பூர்ணிமா/முழு நிலவு) or the full moon has been a source of many a fairy tale, poetry and astronomical significance throughout the world. In Hindu belief, the full moon day or Purnima holds special significance and is widely recognized as a symbol of fullness, abundance, and prosperity. Purnima aka Poornima is a full-moon day that occurs at least once every month in the Hindu lunar calendar. Several Hindu festivals in panchang are aligned with the full-moon day, which is considered a benign and blessed occurrence.
It also marks the end of Hindu month in Purnimanta calendar system. It is also known as Pournami, Pournima and Puranmasi depending on the place and the phases of the moon.