Portuguese colonization of the Americas on 22 April, Cabral landed on the coast, in Porto Seguro. Believing the land to be an island, he named it Ilha de Vera Cruz (Island of the True Cross). The previous expedition of Vasco da Gama to India already recorded several signs of land near its western open Atlantic Ocean route, in 1497. It has also been suggested that Duarte Pacheco Pereira may have discovered the coasts of Brazil in 1498, possible its northeast, but the exact area of the expedition and the explored regions remain unclear. On the other hand, some historians have suggested that the Portuguese may
Time in Portugal re-introduced, it could never be observed as CEST (), and the only solution was to re-adopt WET as standard time. So, in 1976, Portugal adopted WET () as its standard time. DST started to be observed every year as WEST () usually from early April to later September. From 1981 on, DST started to be observed from the last Sunday in March to the last Sunday in September. In 1986, time in Portugal began to be calculated in accordance with UTC, instead of GMT.<ref name="Decree-Law 44-B/86"> Decree-Law 44-B/86, 7 March 1986 (in Portuguese). Retrieved 19 May 2013.</ref> In 1992, during