West Africa Time, or WAT, is a time zone used in west-central Africa. West Africa Time is one hour ahead of Coordinated Universal Time (UTC+01:00), which aligns it with Central European Time (CET) during winter, and Western European Summer Time (WEST) / British Summer Time (BST) during summer. As most of this time zone is in the tropical region, there is little change in day length throughout the year and therefore daylight saving time is not observed. West Africa Time is the time zone for the following countries: