Pradosh is an auspicious occasion to perform Shiva Pujan. In December 2020, Pradosh vrat dates are: December 12 & December 27.
December 12, 2020 – Pradosh Vrat (Saturday): Shani Pradosh
Pradosh of December 12 falls in Krishna Paksha in Kartik Month as per Telugu, Kannada, Gujarati & Marathi calendars and Margashirsha Month in North Indian Hindi calendars.
As this Pradosh vrata falls on Saturday (Shanivar), Shani Graha pradosha puja (Shani Graha Shanti) is observed. In some places, Shani graha shanti pujas are also observed along with Pradosha kaala Shiva Puja.
December 27, 2020 – Pradosh Vrat (Sunday): Ravi Pradosh | Bhanu Pradosha Vrata
Pradosh of December 27 falls in Shukla Paksha in Margashirsha Month as per Telugu, Kannada, Gujarati & Marathi calendars and North Indian Hindi calendars.
As this Pradosh vrata falls on Sunday (Ravivar), Surya Graha pradosha puja (Surya Graha Shanti) is observed. In some places, Surya graha shanti pujas are also observed along with Pradosha kaala Shiva Puja.
Pradosha Kaala Shiva Puja time is between 4.30 to 6 in the evening. Pradosha Ashtakam is a popular prayer chanted during Pradosh Vrat.