Today, 18 May 2012 is Pradosha Vrata. This Pradosh Puja falls in Krishna Paksha of Jyeshta Month as per North Indian Hindi calendars and in Vaishakh Month in Marathi, Gujarati, Telugu & Kannada Panchangams. It coincides with Vaigasi Masam in Tamil calendar, Edava Masam in Malayalam calendar and Jyestho month in Bengali Panjika.
As it falls on Friday (Shukravar) it is observed as Shukra Pradosh.
Pradosh Puja time is 4.30 to 6’0 clock in the evening. Pradosastakam is an auspicious prayer chanted during Pradosh Shiv Pujan.