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Weather Insider: Astronomical calendars

There are a number of different astronomical calendars. They are lunar calendars, lunisolar calendars, and solar calendars. Lunar Calendars are based solely on the cycles of the moon. Since one lunar month is 29.5 days, a lunar year is about 354 days.

Credit: Chris Casas

A lunisolar calendar is still based on the moon but adds extra time in the form of leap months to align the calendar with the solar year. Lastly, there is a solar calendar. This is the calendar most widely used today and is based on the Earth's orbit around the sun.

Article Topic Follows: First Alert Weather Insider

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Spencer Blum

Spencer Blum joined KESQ News Channel 3 in 2023 as a member of the First Alert Weather Team.


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