Capital City:

name: Nouakchott

geographic coordinates: 18 04 N, 15 58 W

time difference: UTC 0 (5 hours ahead of Washington, DC, during Standard Time)

etymology: the meaning of the name is unclear; it may derive from the Berber nawakshut, meaning "place of the winds;" other variants could translate as "the place where water appears in a new well," "the land where shells abound," "a place with pasture," "a windy place," or "without ears" (the last referring to a local chieftain who could have been the place's namesake)

Definition:

This entry gives the name of the seat of government, its geographic coordinates, the time difference relative to Coordinated Universal Time (UTC) and the time observed in Washington, DC, and, if applicable, information on daylight saving time (DST). Where appropriate, a special time zone note has been added to highlight those countries that have multiple time zones. Finally, etymology explains how the capital acquired its name.

Source: CIA World Factbook