Portuguese Empire years for the Portuguese to follow up on Dias's voyage to the Cape of Good Hope, though it has also been speculated that other voyages were in fact taking place in secret during this time. Whether or not this was the case, the long-standing Portuguese goal of finding a sea route to Asia was finally achieved in a ground-breaking voyage commanded by Vasco da Gama. The squadron of Vasco da Gama left Portugal in 1497, rounded the Cape and continued along the coast of East Africa, where a local pilot was brought on board who guided them across the Indian
Time in Portugal Empire: although almost all continental Portugal is located west of the 7.5°W meridian (i.e. in the theoretical zone of time zone), for mainland Portugal it was adopted as its time zone. By the same law, time zone was adopted for the Azores and Cape Verde, for Madeira and Portuguese Guinea, for São Tomé and Príncipe and São João Baptista de Ajudá, for Angola, for Mozambique, for Portuguese India and for Macau and Portuguese Timor. These time zones were adopted on 1 January 1912. Daylight saving time ("Hora de Verão", in Portuguese) was observed for the first time in 1916, during