Kaala Bairava
Bhairava Ashtami, also known as Bhairavashtami, Bhairava Jayanti, Kala-Bhairava Ashtami and Kala-Bhairava Jayanti is a Hindu holy day commemorating the birthday of Bhairava , a fearsome and wrathful manifestation of the god Shiva.It falls on the eighth lunar day (ashtami) in the fortnight of the waning moon (Krishna paksha) in the Hindu month of Kartik (per the South Indian Amavasyant calendar, every month ends with a new moon) or Margashirsha (per the North Indian Purnimant calendar, every month ends with a full moon). By both schemes, Bhairava Ashtami falls on the same day in November-December-January.The name Kalashtami is sometimes used to refer to this day, but might also refer to any ashtami in Krishna paksha, all of which are sacred days of Bhairava, who is also called Dandapani (as holds a rod or Danda to punish sinners) and he rides a dog he is also known as Swaswa meaning "whose horse is a dog".