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 March to last Sunday in October in the whole country.<ref name="Regional Legislative Decree 6/96/M"> Regional Legislative Decree 6/96/M (Madeira), 25 June 1996 (in Portuguese). Retrieved 26 May 2013.</ref><ref name="Regional Legislative Decree 16/96/A"> Regional Legislative Decree 16/96/A (Azores), 1 August 1996 (in Portuguese). Retrieved 26 May 2013.</ref> In 1996 Portugal adopted ISO 8601 via EN 28601 as NP EN 28601:1996. The Astronomical Observatory of Lisbon publishes the official time via the Network Time Protocol (NTP), e.g. via "ntp02.oal.ul.pt" and "ntp04.oal.ul.pt". The IANA time zone database contains 3 zones for Portugal. Columns marked with * are from the file zone.tab from the