Light colors indicate where standard time is observed all year; dark colors indicate where daylight savings is observed. Note: The islands of Cape Verde are to the west of the African mainland. Greenwich Mean Time (GMT) is the mean solar time at the Royal Observatory in Greenwich, London. GMT was formerly used as the international civil time standard, now superseded in that function by Coordinated Universal Time (UTC).
It is convenient to the Capital Beltway (I-95/I-495), Maryland Route 4 (which has department stores and shopping centers), and for employees of Andrews Air Force Base and the U.S. Census Bureau. It is a few miles from Metrorail 's Blue and Green lines.
Catonsville, MD. Catonsville is a census-designated place (CDP) in Baltimore County, Maryland, United States. The population was 39,820 at the 2000 census. Catonsville is bordered by Woodlawn to the north, by Baltimore to the east, by Elkridge to the south, and by Ellicott City to its west. Catonsville is the home of University of Maryland, Baltimore County (UMBC), a public research university with over 12,000 students. Europeans were the second group to settle the area now known as Catonsville.