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History of Clocks And Present Online Clocks
The first clock was invented by Egyptians in 1300 BC, they used sundials which worked by the sun casting a shadow on a triangular pointer, its much like the hour hand on the modern clocks. The dial is numbered all the way around to account for hours and the number on which shadow fell was the time representation. Later in 1370 French used church bells to clock time and in 1400 B.C. Greeks used the world clocks Europe consisting of a main spring and balance wheel clock. Since then many revolutions were seen in watch industry for instance in 1730 cuckoo clock was invented and in 1759 England built a clock that only lost 5 seconds on a voyage from England to Jamaica.
Clocks that followed are:
A time ball clock that a naval officer used to drop at afternoon for ships to set their clocks in 1840.
In 1886 R.W Sears Watch Company launched their range of wrist watches in America at highly affordable prices.
In 1945 a clock was released on the study of atoms and it used a method of atomic beam magnetic resonance and in 1949 first Atomic clock was built by using Ammonia.
The year was 1968 when first digital clock was invented by Peter Petrov.
The Internet has revolutionized the clocks as now there are online world clocks who give you accurate time information of any part of the world by considering the time zones and daylight saving time rules. They are not limited as they cover lists of all the countries, provide maps and globe graphics to know the location geographically, they are accurate even in terms of DST adjustments and most famous feature of all is that they offer a flash based analog clock which can be embedded with web page.