Tilt of the Waning Crescent

The phase of the moon known as the Waning crescent occurs when the last light of the crescent moon descends over the horizon just before the sun rises.  Cultures such as the Ngas of Nigeria in Africa observe the tilt of the waning crescent to tell them when the rainy season will come and end.  They use this knowledge to plant and harvest their crops.

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M O R E Learn more about the Ngas and their observation of the waning crescent moon.