Hedjet is the formal name for the White Crown of pharaonic Upper Egypt. Pharaoh is the title given in modern parlance to the ancient Egyptian kings of all periods Upper Egypt (صعيد مصر Sa'id Misr) is a narrow strip of land that extends from the cataract boundaries of modern-day Aswan to the area between The crown was white and, after the unification of Egypt, it was combined with the Red Crown of Lower Egypt to form the Pschent, the Double Crown of Egypt. Ancient Egypt was an Ancient Civilization in eastern North Africa, concentrated along the lower reaches of the Nile River in what is now Deshret, from ancient Egyptian was the formal name for the Red Crown of Lower Egypt and for the desert Red Land on either side of Kemet, the fertile Nile river basin Lower Egypt is the northern-most section of Egypt. It refers to the fertile Nile Delta region which stretches from the area between El-Aiyat and Zawyet The Pschent (sh-yen was the name of the Double Crown of Ancient Egypt. The symbol sometimes used for the Hedjet was the vulture goddess Nekhbet shown next to the head of the cobra goddess Wadjet, the Uraeus on the Pschent. In Egyptian mythology, Nekhbet (also spelt Nechbet, and Nekhebit) was an early Predynastic, local Goddess who was the patron of the In Egyptian mythology, Wadjet, which means the Green One ( Egyptian egy w3ḏyt; also spelt Wadjit or Wedjet The Uraeus (plural Uraei or Uraeuses, from the Greek grc οὐραῖος from Egyptian egy jʿr The Pschent (sh-yen was the name of the Double Crown of Ancient Egypt. 
The white crown, along with the red crown, has a long history, with each of their respective representations going back into the Predynastic Period, indicating that kingship had been the base of Egyptian society for some time. The History of Ancient Egypt spans the period from the early predynastic settlements of the northern Nile Valley to the Roman conquest in 30 The earliest image of the Hedjet known so far is in Northern Nubia (Ta-Seti) around the Naqada II period.  It is possible that the "White crown clan" either migrated northward and their regalia were adopted by the southern Egyptians, or the conquering upper Egyptians took the white crown as their own as they absorbed the kingdom into the new unified state, as they later did with Lower Egypt.
Nekhbet, the tutelary goddess of Nekheb (modern el Kab) near Hierakonpolis, was depicted as a woman, sometimes with the head of a vulture, wearing the White Crown.  The falcon god Horus of Hierakonpolis (Egyptian: Nekhen) was generally shown wearing a White Crown. Hieraconpolis redirects here for the ancient fortress in Egypt called Hieracon see Hieracon Nekhen, ( Greek:, Strabo xvii  A famous depiction of the White Crown is on the Narmer Palette found at Hierakonpolis in which the king of the South wearing the hedjet is shown triumphing over his northern enemies. The Narmer Palette, also known as the Great Hierakonpolis Palette or the Palette of Narmer, is a significant Egyptian archeological find dating from The kings of the united Egypt saw themselves as successors of Horus. Vases from the reign of Khasekhemwy show the king as Horus wearing the White Crown.