Leap years help keep our calendars in sync with Earth's orbit, but have you ever wondered why we need them?
This episode uncovers the history behind leap years, from early human calendars to Julius Caesar's reforms and the tweaks made 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
- Impossibility of changing Earth's orbit for an exact year
Full interactive transcript, subtitles and key vocabulary available at: https://www.leonardoenglish.com/podcasts/science-leap-years
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English Learning for Curious Minds is the podcast for curious English learners.
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Get all of the bonus episodes, plus transcripts, subtitles, key vocabulary, and more at https://www.leonardoenglish.com