Capital City:

name: Tokyo

geographic coordinates: 35 41 N, 139 45 E

time difference: UTC+9 (14 hours ahead of Washington, DC, during Standard Time)

etymology: originally known as Edo, meaning "estuary" because of its location on a bay; the name was changed to Tokyo, meaning "eastern capital," in 1868, as a contrast to Kyoto, the previous capital to the west

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