Question 17 • OCPS - 2109010 - M/J WORLD HISTORY_SEM 1 CR_PY - vers.2
The early Roman calendar was lunar, meaning its months were based on the phases of the Moon. The Gregorian calendar is solar, designed around the time Earth takes to orbit the Sun. Thus, the correct statement is that the Roman calendar is based on the Moon while the Gregorian calendar is based on the Sun.
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