Today, 22 May 2013 is Pradosh Vrat, Pradosham Shiva Pujan. It is Budha Pradosh as it falls on Wednesday (Budhavara). This Pradosham Puja falls in Shukla Paksha of Vaishakh Month as per North Indian Hindi calendars (Purnimant Panchangams) and Amavasyant Panchangams (Marathi, Kannada, Telugu and Gujarati calendars).
This Budha Pradosh falls in Vaigasi Masam in Tamil calendar; Edavam Month of Malayalam calendar and Jaishtho Month in Bengali Panjika.
Pradosh Puja time is 4.30 to 6’0 clock in the evening. Pradosha Astakam is an auspicious prayer chanted during Pradosh Shiva Pujan.
This Pradosh Vrat is also observed as Parashurama Dwadashi, Parashurama Jayanti, Jamadagni Dwadashi, Jamadagni Vratham, etc.