Portuguese language in Africa more recent migrations of refugees (some of whom speak Portuguese) to neighbouring countries such as Democratic Republic of Congo, Namibia, Zambia and South Africa. Other migrations involved returning Afro-Brazilian ex-slaves to places such as Nigeria, Benin, Togo, Angola and Mozambique. There are also some returning white Portuguese African refugees and their descendants from Brazil, Portugal, and South Africa to their former African controlled territories, mostly to Angola (up to 500,000) and Mozambique (350,000), and most importantly, there is the arrival of Portuguese post-colonial expatriates in Angola in the recent years, because of Portugal's economic interests and the Angolan economic boom.
West Africa Time observed. West Africa Time is used by the following countries: West Africa Time West Africa Time, or WAT, is a time zone used in west-central Africa; with countries west of Benin instead using Greenwich Mean Time (GMT; equivalent to UTC with no offset). West Africa Time is one hour ahead of Coordinated Universal Time (), which makes it the same as Central European Time (CET) during winter, or Western European Summer Time (WEST) and British Summer Time (BST) during the summer. As most of this time zone is in the equatorial and tropical region, there is little change in day