28. Wibbly Wobbly Timey Wimey from A Night In

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28. Wibbly Wobbly Timey Wimey

20 minutes Posted Jul 22, 2021 at 6:27 pm.

Why does leap day exist? It's complicated

Calendar Intercalation: a day, week, or month added to a calendar to realign the lunar calendar with the solar calendar

Lunar Calendars start as civilizations first prehistoric calendar

Intercalations in the lunisolar calendar exist as months. This is necessary because the lunar calendar is 354 days long but a solar year is approx. 365 days long, so every few years a month was added to the lunisolar calendar to make up for the lost days that come from a lunar calendar

Calendar science leads to societies having many calendars

The Metonic Cycle was a 19-year cycle that included an intercalary month 7 times in a 19 year cycle to keep the average length of the year in 19 years approx. 265 days long

Mayan calendar

The Persian Calendar in the 11th century predicts the tropical year extremely accurately

The Gregorian calendar and why it replaced the Julian Calendar

Other cultures still maintain their lunisolar calendars for cultural traditions

The two types of lunar calendars

Bachelor’s Day

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Show notes

Ready for a Night In? Join Tabby and Kate as they talk about calendars and how they have played a significant role in our progression as a civilization.

Thanks again for listening as always! Be sure to follow our social media! @Tylerandfrantz

Intro Song by: Joakim Karud youtube.com/joakimkarud

Additional music provided by the YouTube Audio Library

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