Sashti Viratham is a monthly fasting dedicated to Hindu God Muruga and is mainly observed in Tamil Nadu,
Kerala, Singapore, Malaysia, Sri Lanka and . Sashti Viratham December 2012 date is December 18. Sashti fasting falls on the sixth day after Amavasi (no moon) in a traditional Hindu lunar calendar. South Africa
Shasti Fasting is considered highly auspicious and many Muruga devotees observe a 24-hour fast, most ake a single meal on the day.
Muruga is also known as Skanda, Shanmugha and Subramanian. In
North India, Lord Muruga is known as Kartik or Kartikeya.