Portuguese South African Portuguese South African Portuguese South Africans () are South Africans of Portuguese ancestry. The Portuguese explored the coasts of South Africa in the late 15th century, and nominally claimed them as their own with the erecting of "padrões" (large stone cross inscribed with the coat of arms of Portugal placed there 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. The early 20th century witnessed a trickle of emigrants from Madeira whose numbers greatly increased in the decades
Time in Portugal 1861, the Astronomical Observatory of Lisbon was founded and, in 1878, it was tasked with the exclusive competence of calculate its mean solar time and to transmit it to rest of the country’s public services. Thus, in practice, Portuguese standard time was defined as the mean solar time at Lisbon Observatory longitude, which was later calculated as being GMT–00:36:44. In 1911, it was agreed that standard time in Portugal should be defined in accordance with the 1884 prime meridian system. By the Decree of 26 May 1911, a reform was approved regarding standard time in Portugal and in its overseas