#533 | The Science of Leap Years

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Leap years help keep our calendars in sync with Earth's orbit,
but have you ever wondered why we need them?
 

In this episode, we explore the history of leap years, covering
early human calendars, Julius Caesar's reforms, and the
adjustments introduced by Pope Gregory XIII.
 

Why do we need leap years?

Earth's orbit and the solar year explained

How the first calendars were created

Egyptian and Roman calendar systems

The Julian calendar's introduction of leap years

Inaccuracies in Caesar's calendar calculations

The Gregorian calendar and its leap-year rule

Challenges in adopting the Gregorian calendar

Alternative calendar systems proposed over time

The impossibility of changing Earth's orbit for an exact year


Full interactive transcript, subtitles and key vocabulary available
on the
website: https://www.leonardoenglish.com/podcasts/science-leap-years


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