Portugal–South Africa relations as part of a land claim). Bartolomeu Dias did so in 1486, and Vasco da Gama recorded a sighting of the Cape of Good Hope in 1497, en route to India. South Africa had close relations with Portugal, particularly during the time that Mozambique and Angola were Portuguese colonies. South Africa under apartheid was ruled by the National Party, which shared common ground with the anti-communist "Estado Novo" regime of António Salazar in Portugal. Following Britain's decision to grant independence to its colonies in Africa, the government of Hendrik Verwoerd feared that the newly-independent states would fall under the influence
Time in Portugal Cavaco Silva government, by Decree-Law 124/92, mainland Portugal officially changed its time zone from WET () to CET ().<ref name="Decree-Law 124/92"> Decree-Law 124/92, 2 July 1992 (in Portuguese). Retrieved 12 May 2013.</ref> Differently from the 1966 move to CET, this time DST was to be observed, as CEST (), from the last Sunday in March to the last Sunday in September. The measure, approved without the consultation of Lisbon Observatory, had the intention of promoting energy savings, in order that “Portugal follow, in work schedules, the countries with which it maintains more frequent contacts” (DL 124/92) and so promoting economic