Today, 25 December 2012 is Pradosh Vrat. It falls on Shukla Paksha Trayodasi in Margashirsha Month as per all Panchang followed in Amavasyant calendars and Purnimant calendars.
It is also observed as Mukkoti Dwadasi and Vyanjan Dwadasi.
This Pradosh Vrat falls in Margali Masam of Tamil calendar and Dhanu Masam of Malayalam calendar.
Pradosh Puja time is 4.30 to 6’0 clock in the evening. Pradosha Astakam is an auspicious prayer chanted during Pradosh Shiv Pujan.
Read the Pradosh 2013 dates, Calendar here…