Today, 18 August 2013 is Pradosha Puja, Pradosham Shiva Pooja. As it falls on Sunday (Ravivara), it is also referred to as Bhanu or Ravi Pradosha Vrata.
It falls on Trayodashi in Shukla Paksha in Shravan Month in Hindu calendars followed in North Indian states and so in Maharashtra, Karnataka, Gujarat, Goa and Andhra Pradesh calendars.
It falls in Avani Masam in Tamil calendar, Chinga Masam in Malayalam Panchangam and Bhadra Month in Bengali Panjika.
Ravi Graha Shanti / Surya Dosha Nivarana Homam are performed by some devotees on Shani Pradosh Vrat.
Pradosh Puja time is 4.30 to 6’0 clock in the evening. Pradosha Astakam is an auspicious prayer chanted during Pradosh Shiv Pujan.