The knot is a non-SI unit that is accepted for use with the SI. Worldwide, the knot is used in meteorology, and in maritime and air navigationâfor example, a vessel travelling at 1 knot along a meridian travels approximately one minute of geographic latitude in one hour.
Hagia Sophia (from the Greek: á¼Î³Î¯Î± ÏÎ¿ÏÎ¯Î±, Byzantine Greek [aËÊia soËfia]), Holy Wisdom; Latin: Sancta Sophia or Sancta Sapientia; Turkish: Ayasofya) was a Greek Orthodox Christian patriarchal basilica (church), later an imperial mosque, and now a museum (Ayasofya MÃ¼zesi) in Istanbul, Turkey.
At the first courtyard, Hagia-Irene Church which was used as Armory and the outer service buildings like Mint, Oven and Hospital were located there. Second Courtyard was the Divan Square (Square of Justice) that hosting the administrative buildings fort the Empire.