Full moon day in a Hindu lunar month is referred as Purnima. Vrat (fasting) and special pujas are held on the day. Purnima May 2016 date is May 21. The Purnima time is from 12:42 AM on May 21, 2016 and ends at 2:44 AM on May 22. Purnima Vrat is on May 21 – fasting is observed on this day.
May 21 is the Vaishakh Purnima in most Hindu calendars.
Some Hindu communities also observe the day as Kurma Jayanti day. The day is observed as Radha Raman Jayanti in Vrindavan. Certain Shiva sects observe Gorakhnath Jayanti on the day.
Vaishak Snan ends on the day.
The day is also the last day in the Vaishak month in the traditional Hindu calendar followed in North India.