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Leaps Say
Why make the extra day of March, we added to the leap year in February Or not, say, January?

Julius Caesar made the leap Year was. http://inventors.about.com/cs/inventionsalphabet/a/leap_year.htm the http://www.infoplease.com/ipa/A0002061.html "... in Rome When the Roman calendar, which emerged as a global power, creating a calendar Well-known difficulties, but also the number unlucky Romans Their lives were complicated because of the superstition. Therefore, they Was 29 months or 31 days old, was on February 28 is an exception. 28 days However, four months of 31 days, 29 and 7 months, and only one month up to 355 days Added. Therefore, the Romans added Mercedonius 22 or 23 days a month during Have invented the telephone. It added that two years. And Mercedonius also, the Roman calendar eventually became so far apart Sosigenes of Julius Caesar, advised by the astronomer, the full reform Ordered. 46 BC 445 days by the length of the emperor's decision, again on the season In step was to bring the calendar. Then the sun 365 days With six hours worth of one year () was created based on the calendar. Months was 30 or 31 days long, and every 6 hours to take care of four years 366 days year. In addition, the emperor declared the first year beginning in March with the vernal equinox in late January Not with. This calendar, the Julian calendar was king After the calendar, Julius and vacation for the calculation of the Eastern Orthodox Church As the church is being used today. However, even correcting Despite the Julian calendar, still more than 111 / 2 minutes is more than The actual solar 111-min intensity, number 2, and since it adds up. Gregorian reform was in the 15th century the Julian calendar Drifted behind the solar calendar, a week, so the March equinox Around March 20 instead of 12 days in the fall was around. Pope Sixtus 4 (in 1471 As the reigning 1484), another reform was needed and called the German astronomer Regiomontanus to Rome to advise him to decide. Although Regiomontanus arrived in 1475, Unfortunately, since then he died, and the plans for reform The Pope died with him. In 1545 the Council of Trent, it Pope John Paul 3 seeul more calendar reform is approved. Mathematics Most of the astronomical work Father Christopher Clavius, Estonia Immediately corrected by my father advised done by Clavius and the Pope Gregory 13 years as an energy source, that Thursday, October 4, 1582, Julian Was the last day of the calendar. The next day will be Friday October 15. Long Distance If accurate, the formula by the Vatican librarian Aloysius Giglio Adopted a suggestion: It's the year 1700 or 1800 are all the same century Grade 4 is a leap year. Century leap years only if the year can be divided into To 400 (for example, 1600 and 2000) are. The exact schedule for the rule Century, enough to create, remove the 43 leap years is 6. Leap years in the governance of Despite the revision, the average period of the year is still more about the earth's orbit Is more than 26 seconds. However, this difference gradually adopt reforms Is required. Build up a single day in 3323 that the Gregorian Reform Immediately across the West have not been adopted. Most of the Catholic Countries in 1582, quickly changed the Pope's new calendar. But Europe's Protestant princes chose to ignore papal bull The Julian calendar continued. It do not mean to 1700 Protestant rulers of Germany and the Netherlands has been changed to a new calendar. Britain (and its colonies) of not going to change here until 1752 jyeowa Revolution in Russia in 1918 to introduce the Gregorian calendar Was needed. In Turkey, the Islamic calendar was used until 1926. ... "The leap second sister of the end rotation of the Earth in December on the added Slowing down for a few nyeonhasipsioh account. the http://www.timeanddate.com/time/leapseconds.html http://en.wikipedia.org/wiki/ Mgk25/time/metrologia-leapsecond.pdf of Leap_second http://www.cl.cam.ac.uk/ ~

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Think about your childrens ages and the unique educational needs they currently have. Leaps Say A three year old should be learning different things than an eight year old. Leaps Say If you are unsure of what educational toys to buy for your kids, do a little research to see what kinds of needs your kids have and then find educational games to fit those needs.

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