Time Zone
Those countries marked in dark blue on the map above use Western European Summer Time and advance their clock one hour in summer. In the United Kingdom, this is known as British Summer Time (BST); in the Republic of Ireland it is called Irish Standard Time (IST)—officially changing to GMT in winter. Those countries marked in light blue keep their clocks on UTC/GMT/WET year round.
Read more about this topic: Greenwich Mean Time
Famous quotes containing the words time and/or zone:
“If I ever see more clearly at one time than at another, the medium through which I see is clearer.”
—Henry David Thoreau (1817–1862)
“The human race is a zone of living things that should be defined by tracing its confines.”
—Italo Calvino (1923–1985)