Invention of Lunar Calendar : The earliest known lunar calendar is in the caves at Lascaux, southwest France, and from around 15,000 B.C.E.

Various series of spots represent half of the moon’s near-monthly cycle, followed by a large empty square, which perhaps indicates a clear sky.

Invention of Lunar Calendar

A lunar calendar counts months (a period of 29.530588 days) and is based on the phases of the moon.


Months have twenty-nine and thirty days alternately, and additional days are added every now and then to keep actual moon phase.

The Invention of Alcoholic Drink

The lunar calendar was widely used in parts of the ancient world for religious observation.

Agriculturally the lunar calendar is confusing as it takes no account of annual seasonal variations in temperature, daylight length, plant growth, animal migration, and mating.

The lunar month divides into the solar year twelve times but with 10.88 days remaining.

नक्शा या मानचित्र का आविष्कार कब और किसने किया?

Meton of Athens (circa 440 B.C.E.) noticed that nineteen solar years were equal to 234.997 lunar months.

This led to the nineteen-year Me tonic cycle where years three, five, eight, eleven, thirteen, sixteen, and nineteen had thirteen lunar months each, and all the other years had twelve months.

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