Panchak Nakshatra are specific to death. The Panchak Nakshatra are Shathabish, Dhanishta, Purvabhaadrapad, Uttarabhaadrapad and Rewathi. A Panchak Shanthi Pooja has to be performed on the day of the funeral and on the 12/13th day. Some believe that the time of cremation is used to determine whether to do this Panchak Shanthi, others believe it should be done either if death or of cremation occurred during Panchak. Read more.