Time

Sexaginta

Time

Big Ben is the name of the thirteen ton hour bell inside the famous tower.
Human inventions for measuring time include sundial, siderial clock, water clock, fire clock, sand glass, wheeled clock, mechanical clock, electric clock, electronic clock and atomic clock.
An atomic clock maintains an accuracy of one second per 6 million years.
The second is defined as 9 192 631 770 oscillations of the Cesium-133 atoms.
Clock hands turn the direction they do because they were designed to work like sundials and were first built in the Northern Hemisphere where clockwise is the sense of rotation of the shadow.
The oldest sundial dated to the 15th century B.C. was discovered in Egypt.
There are 24 time zones.
An extra day is added to February in years divisible by four, except for years divisible by 100 unless they are also evenly divisible by 400. For example, 1900 was not a leap year, but 2000 was.
There exist leap seconds.
The vast majority of people (except the Americans) do not use the a.m. (ante meridiem, before noon) and p.m. (post meridiem, after noon) terms, as it can be rather confusing—it’s not easy to say without thinking whether 1 a.m. comes before or after 12 a.m., is it?
There are milleniums, centuries, decades, years, trimesters, months, weeks, days, hours, minutes, seconds, milliseconds, microseconds, nanoseconds, picoseconds, femtoseconds, and so on.
It is not known for sure why there are 12 months in a year (this matches neither solar, nor lunar cycles). It is believed, that the hour is split into sixty minutes because 60, not 10, was the base of the advanced number system in Babylon.
A minute consists of 60 seconds, whereas a second consists of 1000 milliseconds.
Sexaginta is the first clock in the world with hands in a skintight coating.
24 hous of sidereal time equal to 23 hours 56 minutes 4.091 seconds of mean solar time.
Most clocks with Roman numerals on the dial have the four as IIII instead of IV.
The millenium bug, also known as Y2K, was not a real problem. It never occured, at least for those who hadn’t spent fortunes on its prevention.

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