![]() ![]() Again, I'm no expert or mathematician, but I'm sure someone more qualified can give an explanation as to why. I believe the reasoning for this is because a year isn't actually exactly 365.25 days, it's more like 365.24255 days, so they need to compensate for the 42 minutes that are gained every leap year somehow. Which is why the year 2400 will still be a leap year, even if it's divisible by 100, because of the fact that it's divisible by 400. The first rule most of us know is that a leap year occurs every 4 years, which adds an extra day to the February calendar.However, this rule isn't applied to any year that's divisible by 100. The rules for when a leap year happens actually has 2 extra conditions that aren't often mentioned because they are almost never used. Hence, a leap day is added every four years to make up for the difference and to keep the seasons and the calendar in sync.For anyone who is curious as to why there isn't a leap year on the year 2100 or 2200, 2300, 2500, there's an explanation. For example, 1900 is evenly divisible by 100, but not 400 since it gives you a result of 4.75. Although this slight variation may not seem too significant, the extra quarter days in the solar year would make our calendar fall short of one day behind the solar year after every four years. Use a past year, the current year, or a future. Century years are leap years if they are divisible by 400. The year 2000 is a leap year, with 366 days in total. Calculating leap years requires having a year that you want to check. So only one of the four end-of-century years in 400 years is a leap year. This is to say that the calendar year and the solar year are not completely "in sync" if there are 365 days in every calendar year. Some holidays and dates are color-coded: Red Federal Holidays and Sundays. And year 2000 was a leap year, but 2100, 2200, and 2300 are not. 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-1,461. This is approximately 365 ¼ days or 365.2422 days. To be precise, the Earth actually takes 365 days, 5 hours, 48 minutes, and 46 seconds to complete one revolution around the sun. However, the issue is that the solar year does not exactly correspond to 365 days. Julius Caesar devised the leap year to correct for the fact that the earth. In the Gregorian calendar, there are 365 days in a year and that is meant to correspond to the period the Earth takes to complete one revolution around the sun (also known as the “solar year”). The year 2000 is special-even though it isn't the start of the 21st century-because it is a leap year. Now, lets remove 10 public holidays that do not fall during a weekend and we obtain 250 working days in 2000. ![]() To address this question, we first need to know what determines the length of a calendar year in the first place. Here is the detail of the calculation: Because 2000 is a leap year, it has 366 days. Now that we know the answer to the question “What is a leap year?”, the next question that inevitably arises is “Why do we have leap years?” A leap year is added to the calendar every four years. In a leap year, February has 29 days, instead of the usual 28. So, the year 2000 was a leap year (divisible evenly by 400, 100, and 4),1900 was not (divisible evenly by 100 and 4 but not by 400), 2012 was (divisible. This is accounted for in the month of February. Instead of having the usual 365 days, a leap year has 366 days. This additional day ensures the synchrony between the calendar year and the seasonal/solar/astronomical year. A leap year is a calendar year with an additional day added. ![]()
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