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  2. Leap year - Wikipedia

    en.wikipedia.org/wiki/Leap_year

    A leap year (also known as an intercalary year or bissextile year) is a calendar year that contains an additional day (or, in the case of a lunisolar calendar, a month) compared to a common year. The 366th day (or 13th month) is added to keep the calendar year synchronised with the astronomical year or seasonal year . [ 1 ]

  3. Why do we have a leap year? What would happen if we didn’t ...

    www.aol.com/why-leap-happen-didn-t-130000847.html

    Why is it called a leap year? “If you were to have your birthday on a Monday, then the next year it should occur on a Tuesday, because the calendar has an odd number of days,” Craddock said ...

  4. 2024 is a leap year, but why? Here’s the science behind the ...

    www.aol.com/2024-leap-why-science-behind...

    Years divisible by 100 (century years such as 1900 or 2000) cannot be leap years unless they are also divisible by 400. (For this reason, the years 1700, 1800, and 1900 were not leap years, but ...

  5. Caesar created a new Julian calendar for Rome that measured a year as 365.25 days long, as the original Roman year was 10 days shorter than a modern year. The seasons were thrown off as a result ...

  6. Why do we have Leap Year? A guide to the calendar's bonus day

    www.aol.com/why-leap-guide-calendars-bonus...

    There is a 1 in 1,461 chance of being born on a Leap Day. And with 8.1 billion people in the world, that makes around 5 million people, or 0.068% of the world's population leapers.

  7. 2024 is a Leap Year, but what does that mean? Here's the ...

    www.aol.com/2024-leap-does-mean-heres-161138510.html

    Leap day exists to even out time discrepancies between the calendar year and the solar year. While it's widely accepted that a calendar year has 365 days, it takes Earth about 365.242 days to ...

  8. Leap week calendar - Wikipedia

    en.wikipedia.org/wiki/Leap_week_calendar

    A leap week calendar can take advantage of the 400-year cycle of the Gregorian calendar, as it has exactly 20,871 weeks: with 329 common years of 52 weeks plus 71 leap years of 53 weeks, a leap week calendar would synchronize with the Gregorian every 400 years since (329 × 52 + 71 × 53 = 20,871).

  9. School uniforms by country - Wikipedia

    en.wikipedia.org/wiki/School_uniforms_by_country

    In the majority of elementary schools, students are not required to wear a uniform to school. Where they are required, many boys wear white shirts, short trousers, and caps. Young boys often dress more formally in their class pictures than they do other days of the school year. Girls' uniforms might include a grey pleated skirt and white blouse.