World clocks should display various times for countries, rather than cities. It would be much more difficult to interpret time based on cities, as one might not be that familiar with the more obscure cities.
Display... the time...
There is no specific collective noun for clocks, in which case a noun suitable for the situation is used; for example a collection of clocks, a museum of clocks, a display of clocks, etc.
The World Clocks page doesn't list countries individually, favouring lists of cities. However, it does have a full map of the globe which can be used to determine the time anywhere on Earth, and as such if can be considered to show all the countries in the world - usually reckoned at 196.
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AnswerIn the early 14th century, large mechanical clocks began to appear in the towers of several large Italian cities. There is no record of working mechanicanisms predating these public clocks.Have a look at www.referenciarelojera.com "Historia" section, its in spanish but they display ALL the history of mechanical watches
Any Encyclopedia will report that clocks were invented in ancient times, as sundials are primitive clocks. As for mechanical clocks, there are public clocks from the 14th which are still on display in the Science Museum in Britain. See http://www.sciencemuseum.org.uk/on-line/wells-clock/index.asp
Russia
Brookstone sells self-setting alarm clocks, self-setting alarm clocks with radios, and LCD display alarm clocks with larger numbers. They also sell innovative alarm clocks such as the Tocky Rolling Alarm Clock.
The common instrument used to measure time is a clock. Clocks come in various forms such as analog clocks, digital clocks, and atomic clocks, all of which are designed to accurately measure and display time.
Mantel Clocks have been around since the 18th Century and were made in countries like, America, France and Germany. Should anyone like to begin collecting or just finding out more information about mantel clocks, doing research would be good. Type in something like 'the history of Mantel Clocks', and you should be able to do some really good research about Mantel Clocks.
No, not every country changes their clocks twice a year. Daylight Saving Time is observed in some countries, where clocks are adjusted forward in the spring and back in the fall. Other countries do not participate in this practice.
Switzerland