Ancient calendar reveals how Roman-era Egyptians celebrated their New Year, Wepet Renpet
Wepet Renpet was intrinsically linked to the heliacal rising of Sirius, which heralded the summer solstice and the annual ...
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Chinese Agricultural Calendar: ancient people combined lunar and solar years to know when to plant, harvest crops
The Chinese Agricultural Calendar uses lunar months to determine its dates, but it also has “solar terms” which are based on the solar year. These solar terms helped the ancient Chinese people ...
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How climate change is changing calendars — and what to do about it
The case of China’s system of 24 solar terms, an ancient agricultural calendar recognized by the UN cultural organization UNESCO as part of humanity’s intangible cultural heritage, illustrates ...