It left me still with the basic concept that zero divided by any number equals zero. So I am still uncertain which way to decide. So I decided to ask others for their views. I realise some may say there is no year zero so the question is unrealistic. I would accept that as a realistic and valid answer as I am also yet undecided if there was a year zero or not for the purpose of some calculations.
But for other situations I am sure there is a year zero. Or there is a year before the birth of Christ. Well maybe there is, Just depends how far a person wants to go or something. So that is the question pertaining to leap years and the rule of dividing by Thank you.
By definition: divisible means an integer is capable of being divided by another integer without a fractional remainder. The number "zero" can be divided by "any number" into equal parts of "zero".
The only exclusion is you cannot divide zero by itself. That is undefined. So the answer to "zero" divided by is "zero" with no remainder and therefore "zero" is divisible by If the rule off is applied to centuries, would that not leave 96 leap years in a year period instead of 97?
However, since isn't divisible by creating a whole number, wouldn't we say 24 leap days happen over a year span? I think I see where you have miss calculated. So if we use the divisible by rule we have one century in 4 being a leap year where as the other three are not. So the year would have been a leap year and , , and were not. So there are 25 leap years in every century which starts with a leap year EG , , and only 24 leap years in the century's which are not divisible by I think you just forgot to add the leap year for the century beginning with a leap year.
In twenty centuries such as between the years and there would be only 5 Centuries which begin on a Leap year. Hi, who came up with the idea of Leap Year, and that it should be in February and no other month like July? Instead of a leap year, the days in August could be 31, then the series goes on Leap years do not occur every year; this is why we can't just add an extra day to a month.
The cycle of the seasons or, a tropical year is approximately Since a calendar year consists of an integral number of whole days, a calendar year cannot exactly match the tropical year.
To align the current calendar with the seasons and how the Earth orbits around the Sun , leap year rules were created. No system is perfect but that is the background.
Well if this was in maybe let's say December then winter has 1 more day then should because winter is for however long Sumer fall and spring same so I'd winter gets it and somewhere else does then winter will be in next season time but feb is in spring and spring prob has that about. John was born on Feb 29happened to be a Wednesday. If he lives tobe years old, how many birthdays would he celebrate on a Wednesday? If he was born on Wednesday 29th February and assuming he does not celebrate his 1st birth year because he is just popping out of the womb then he would reach age 28 in the year when his next birthday falls on a leap Wednesday.
Wednesday 29 February Then at age 56 he could celebrate his second leap Wednesday in The last one would be at age 84 in the year The next one after years would be and John would have to be years of age. The answer is still 3 if he was born on either Wednesday 29th February Wednesday 29th February Wednesday 29th February Wednesday 29th February My husband and I's anniversary is Feb 29th.
So far we have gotten to celebrate it on the actual date 2 times almost 3 ; When we don't have a leap year we celebrate the day before and the day after. This year is our 10 year mark and I love him more and more each day!! I heard an old saying that being born on Feb. Is their any truth behind this? We aren't aware of studies on this. If you were shot at age 10 or kill by stepping in to a moving bus at age 11 then you would not have lived longer than those who lived longer.
It all depends on when you die. I believe there is absolutely no truth in the saying at all. With births occuring on a leap day being only 0.
In other words there is 1 leap day per 1, days. So it seems unlikely that those born on that single day will out live those born on either of the 1, days. But that doesn't mean that a person born on that leap day is going to live a shorter life. He has as much chance. So the statistics are just a mean calculation indicating a general rule for general data and not an indication that a person will or will not live as long.
I believe that it is not possible to actually calculate the actual reality as the closest a person could calculate would be a proportional calulations. Such as no. That would only give a proportional representation. Then try to calculate in the consequenses of wars and you have an impossible calculation. Even if you could calculate it the numbers would still not garantee either group would live longer as those numbers could change at any time dependant upon circumstances.
There is no evidence that people live longer if they were born on Feb. No one knows when someone might die unless they threaten you to kill you on a sirten day. There are 76 Mondays to go till the next leap Monday in from to day 21st September and 75 from tomorrow Monday 22nd I never realized that the century years not divisible by were not leap years. Thanks for the new info, like where have I been!?
Please explain how our calendar adjusts for this. Anxious for your reply. Thanks, Grant. The tropical year essentially, the cycle of seasons, or how long it takes the Earth to orbit around the Sun is about The Gregorian calendar is usually days long. To compensate for the "0. With this rule, 97 leap days are added every years, which means the average length of year in the Gregorian calendar is The skipping of certain centuries helps to keep the calendar more in step with the tropical year.
Although If we didn't have this extra "divisible by " rule, the average year in the Gregorian calendar would be Skip to main content. By Catherine Boeckmann. December 30, Source: The Old Farmer's Almanac. Related Articles Calendar Holidays.
Caesar and the philosopher Sosigenes of Alexandria made one important modification: instead of relying on the stars, they would simply add a day to every fourth year. In keeping with the Roman tradition of messing with the length of February, that day would fall in the second month of the year—thus Leap Day was born. By the 16th century, scholars had noticed that time was still slipping—Caesar's calculation that a year lasted This was a problem for the Catholic Church, as the date of Easter had drifted away from its traditional place, the first Sunday after the first full moon following the vernal equinox, by roughly ten days.
Pope Gregory XIII commissioned a modified calendar, one which kept Leap Day but accounted for the inaccuracy by eliminating it on centurial years not divisible by , , and were not leap years, but was.
The introduction of the Gregorian Calendar marked the last change to the Western calendar as we know it today. Experts note that the Gregorian calculation of a solar year— Thankfully, the Gregorian calendar is only off by about one day every 3, years, so mankind has some time before this becomes a problem. Curiously, many Leap Day customs have revolved around romance and marriage.
Tradition holds that in 5th-century Ireland, St. Bridget lamented to St. Patrick that women were not allowed to propose marriage to men. So legend has it that St. Patrick designated the only day that does not occur annually, February 29, as a day on which women would be allowed to propose to men.
In some places, Leap Day thus became known as Bachelor's Day. This tradition hopped the Irish Sea to Scotland and England, where the British added a twist—if a man rejected a woman's proposal, he owed her a debt of several pairs of fine gloves, perhaps to hide the fact that she did not have an engagement ring. In Greek tradition, however, it is considered bad luck to marry on Leap Day, and statistics suggest that Greek couples continue to take this superstition seriously.
There are only about 5 million people in the whole world who were born on February 29, with the odds of being born on Leap Day standing at about 1-in-1, Several famous people—including actress and singer Dinah Shore born , motivational speaker Tony Robbins born and hip-hop artist Ja Rule born —are leaplings.
Leaplings technically only get to celebrate their birthdays once every four years, but they do get to be part of an elite group. But if you see something that doesn't look right, click here to contact us! Twice a week we compile our most fascinating features and deliver them straight to you.
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