Today, 3 May 2012 is Pradosh Puja. This Pradosha Vrata falls in Shukla Paksha Vaishakh Month in all Hindu calendars followed in North India, Gujarat, Maharashtra, Andhra Pradesh & Karnataka. It coincides with Chithirai Masam in Tamil calendar and Meda Masam in Malayalam calendar.
As it falls on Thursday (Guruvar / Brihaspativar), this pradosh is observed as Guru Pradosh or Brihaspati Pradosh vrat. Guru Graha Shanti (Brihaspathi Shanti Puja) is also observed by some devotees on this day.
Pradosh Shiva Puja time is 4.30 to 6’0 clock in the evening. Pradosha Ashtakam is the important prayer chanted during Pradosh Shiv Pujan.