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Why do we have a leap year?

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Why do we have a leap year?

2016 is a year of misfortune? It depends on how superstitious you are. The ancient Egyptians already had leap years – and this scheme is still used today in Germany.

Don’t forget: The February this year has 29 days, because 2016 is a leap year.

What is a leap year?

The calendar year is normally 365 days long, a leap year has 366 days. This extra day is appended to February, the shortest month of the year. Years, by four, or 400 divisible, are leap years. Years, the are smoothly divisible by 100, however, is not. 1900 and 2100 are, or were, according to these rules, no leap years, the year 2000.

Why All the fuss?

The earth needs exactly 365,24219 days to circumnavigate the sun. Our Gregorian calendar is not quite accurate. That is why every fourth year is a day longer. The century-exceptions serve the purpose to correct this mathematical compromise in order to remain accurate.

A modern invention?

No. Even the ancient Egyptians knew of the mathematical Problem. In 3. Century before Christ, and add it to your calendar every four years an extra day. The Roman calendar was similarly inaccurate, so Julius Caesar ordered in the 1. Century before Christ a solution for that: The Romans supplemented their calendar to the 24. February – a second 24. February: The day is repeated just once.

Our Tradition, the 29. February add, goes back to Julius Caesar. The Gregorian calendar was introduced in 1582, these we still use today. Pope Gregory XII, shortened the year 1582 by ten days previous to inaccuracies eradicate. Of the rule is to save every 400 years, three leap days. By these provisions shall be a calendar year, an average of 365,2425 days.

Where does the term “leap year”?

Obviously, the concept is divided in “switch”, “switch”, and “year”. In the old high German language there is the term “scaltjar”, that means a year with a disturbed day. In middle high German the term is similar, namely “schaltjar”.

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