Vasco da Gama Vasco da Gama Vasco da Gama, 1st Count of Vidigueira (; c. 1460s – 24 December 1524), was a Portuguese explorer and the first European to reach India by sea. His initial voyage to India (1497–1499) was the first to link Europe and Asia by an ocean route, connecting the Atlantic and the Indian oceans and therefore, the West and the Orient. Da Gama's discovery of the sea route to India was significant and opened the way for an age of global imperialism and for the Portuguese to establish a long-lasting colonial empire in Asia. Traveling the ocean route allowed
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