It is observed on Margasira Sukla Sasthi Tithi i.e. the sixth day of the bright fortnight of Margasira (November-December). Margasira Sukla Sasthi is also celebrated as Prabarana Sasthi . From this day Ghodalagi of the deities begins and the deities wear winter garments (heavy winter garments) till Magha Sukla Panchami or Basanta Panchami i.e. 5th day of bright Magha (January-February).
