25 May 2013 is Purnima. Purnima Vrat is on 24 May 2013. This is Vaishakha Purnima, the Full Moon day in Vaishakh Month as per Hindu calendar.
Purnima May 2013 Timings…
Purnima begins at 1.14 PM on 24th May, Friday and ends at 9.49 AM on 25th May, Saturday.
Vaishakh Purnima is also celebrated as Ardhanarishwara Vratham, Sampadagauri Vratham, Sindhu Snana, Vyasa Purnima, Annamacharya Jayanti (Annamayya Aradhanotsavam), Buddha Purnima, etc.
On 24th May 2013, Vaigasi Visakam is celebrated in Tamil Nadu. It is a grand festival dedicated to Lord Murugan (Subramanya Swamy). In 2013, on 25 May Rohini Karthe also begins.
This Purnima falls in Vaigasi Masam in Tamil calendar, Edavam Month in Malayalam calendar and Jaishtha Month in Bengali Panjika.
Vaishakh Purnima marks the end of Vaishakh Month in North Indian Hindu calendars. It marks the end of Vaishakha Shukla Paksha in Purnimant calendars followed in Maharashtra, Andhra Pradesh, Goa, Karnataka and Gujarat.