Pradosh or Pradosham puja is an auspicious vrat dedicated to Lord Shiva and is observed on every Trayodashi tithi. In June 2016, Pradosh vrat dates are – June 2 and June 17.
The first Pradosh vrat in June 2016 is Shukra Pradosh (17 June) as it falls on Friday or Shukravar. The other one was Guru Pradosh (2 June).
Generally, the auspicious time for Pradosh puja is 4.30 to 6’0 clock in the evening on Trayodasi tithi.
Pradosham on 2 June 2016 falls in Krishna Paksha in Jyeshta month as per as per North Indian Hindi calendars & and in Vaishakh 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 17 June 2016 falls in Shukla Paksha of Jyeshta 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.