Because that's how the designers decided to do it. There are all sorts of fashions in clocks.
Some digital clocks glow in the dark because if you are wearing it in the dark you can read the time.
so it is lighter for kids to go to school
it is energy saving as they do not use batteries and there for do not use up your money
-- The lunar month is 29.53 days long. -- Some calendar months have 30 days, some have 31 days, and one has 28 days in 3 out of 4 years and 29 days in the fourth year.
Some alarm clocks are programmed to use a human voice for the "wake-up call". A cuckoo clock "sings"... Any clock will tell you the time, if you can read it's face.
There are many companies that make clocks with LED displays. Some examples are: Wetclox, Bed Bath and Beyond, and even generic no-name clocks that can be found in Target.
Yes, there are gears in some clocks.
Computerized time clocks have a screen such as calculators which will take care of showing the digits. They are made of some kits that send the signals to the display screen.
It is nice and warm in clocks....
Clocks that has a pendulum may contain mercury.
Some clocks are called chiming clocks because they give off a chiming, or striking, sound at various times. A striking, or chiming, clock sounds the hours audibly by using a bell or a gong.
Howard Miller Clock Company offers a wide range of clocks, including wall clocks, mantel clocks, floor clocks (grandfather clocks), table clocks, and atomic clocks. They also offer specialty clocks like chiming clocks, musical clocks, weather clocks, and indoor/outdoor clocks.
Chelsea Clocks has a wide variety of vintage clocks. Some styles include the American Eagle Clock, the Ship's Bell Clock, and the Chelsea Library Desk Clock.
No. Some people think cuckoo clocks come from Switzerland, but they don't. Cuckoo clocks come from the Black Forest, which is in Germany.
Some clocks are made of plastic but not all of them are, they can be made from wood and metals too.
some clocks go forward, but not all of them :) it is called daylight saving time
Yes -- some clocks set themselves via a radio signal