Capital City:
name: Riyadh
geographic coordinates: 24 39 N, 46 42 E
time difference: UTC+3 (8 hours ahead of Washington, DC, during Standard Time)
etymology: the name derives from the Arabic word riyadh, meaning "gardens;" the city was built around a small oasis
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
