Pradosh or Pradosham puja is an auspicious vrat dedicated to Lord Shiva and is observed on every Trayodashi tithi. In June 2015, Pradosh vrat dates are – June 14 and June 29.
The first Pradosh vrat in June 2015 is Bhanu Pradosh (14 June) as it falls on Sunday or Ravivar. The other one is also Som Pradosh (29 June).
Generally, the auspicious time for Pradosh puja is 4.30 to 6’0 clock in the evening on Trayodasi tithi.
Pradosham on 14 June 2015 falls in Krishna Paksha in Adhik Ashada month as per as per North Indian Hindi calendars & and in Jyeshta Month as per Marathi, Gujarati, Kannada, and Telugu calendar. It falls in Edava Masam of Malayalam calendar, Vaigasi Masam in Tamil calendar and Jaishtho Month in Bengali Panjika.
Pradosh on 29 June 2015 falls in Shukla Paksha of Adhik Ashada Month in Amavasyant calendars and North Indian Hindi calendars. It falls in Midhuna Masam of Malayalam calendar, Aani Masam in Tamil calendar and Ashar Month in Bengali Panjika.
Pradosha Ashtakam is an auspicious prayer to chant during Pradosh Shiva Puja.