Gujarat South Arabian and Persian Gulf ports, who migrated in and out of Cambay with the rhythm of the monsoons. But others were men with Arab or Persian patronyms whose families had settled in the town generations, even centuries earlier, intermarrying with Gujarati women, and assimilating everyday customs of the Hindu hinterland. The Age of Discovery heralded the dawn of pioneer Portuguese and Spanish long-distance travel in search of alternative trade routes to "the East Indies", moved by the trade of gold, silver and spices. In 1497, Portuguese explorer Vasco da Gama is said to have discovered the Europe-to-India sea route
Time in Portugal Cavaco Silva government, by Decree-Law 124/92, mainland Portugal officially changed its time zone from WET () to CET ().<ref name="Decree-Law 124/92"> Decree-Law 124/92, 2 July 1992 (in Portuguese). Retrieved 12 May 2013.</ref> Differently from the 1966 move to CET, this time DST was to be observed, as CEST (), from the last Sunday in March to the last Sunday in September. The measure, approved without the consultation of Lisbon Observatory, had the intention of promoting energy savings, in order that “Portugal follow, in work schedules, the countries with which it maintains more frequent contacts” (DL 124/92) and so promoting economic