Capital City:

name: Oslo

geographic coordinates: 59 55 N, 10 45 E

time difference: UTC+1 (6 hours ahead of Washington, DC, during Standard Time)

daylight saving time: +1hr, begins last Sunday in March; ends last Sunday in October

etymology: the name may derive from the Old Norwegian word os, meaning "estuary" and referring to the city's location on a fjord; alternatively, the name may come from As, a Scandinavian god, and Lo, a nearby river

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