In the flat earth model, the Moon is not too distant only 4800 km up, suppose it is right on top, azimuth, midnight, full moon. It shows some features, craters, mountains, etc. A person 80° East, shall also see the Moon at 80° to the West almost setting, it will be almost 5:20 at morning for him. Another person at 80° West, will see the same Moon at 80° East, it recently raised, it will be around 6:40 afternoon for him. As this two persons are seeing the Moon at the same time, but with 160° distant one to another, the different angle of view would allow them to see different features, mountains and craters of the Moon, considering the Moon is also spherical like the video below, Lunar libration, showing a composition of 28 days. But no, they both see the exactly same image of the Moon, because it is much far away than the flat earth model, impossible to see the "sides" of the Moon. In flath earth model, the Moon is 30 miles in diameter and 3000 miles distant, just 100 times its diameter. Considering the Equator line (even in the flat earth model) is 40 thousand km in circumference, those two persons 160° apart will have an arc of 17700 km and a cord of 12500 km between them, what makes a triangle to the Moon of a base of 12500 km and a vertical of 4800 km, each one would see a side of the Moon by 21°, and that is pure math and geometry. It means, one would see 138° of the Moon face from the other, but not, they see the same face and far stars pretty close to the Moon direction in the same position for each other what proves the noon parallax error. The Moon is not flat, see the image below or grab the nearest binocular or telescope and confirm. I have both at home, tired to see craters and mountains of the Moon in detail. With little understanding of mid school geometry you can explain the whole spherical system. Care to explain the flat one?
This example is proportional and the same as two persons, one in each side of the 20m wide road, watching a car at 80m away, of course the person at the left side of the road will be able to see the left door, while the person at the right side will be able to see the right door, and not the other way around. This doesn't happen in the above example of the Moon, the proportional distances are the same.
Also, as the flath earth equator diameter is 12700 km, if the two persons were 180° one to another, and if the Moon is straight up azimuth over the first, 4800km up, the triangle formed over the flat earth model will be 4800 up, 12700 ground and a hypotenuse of Sqr(4800²+12700²) = 13576km, what makes an angle of 20.7° for the other person, and we know we see the Moon disappear under the horizon, we can see it with bare eyes. This alone explains the spherical model. Care to explain why we don't see the Moon all the time in the sky, from 20° to 89° constantly?
And yes, we can see the Moon during the day, if the angle against the Sun allows to illuminate it.
