During the daytime, when the Sun is visible in the sky, it is still possible to see the Moon under certain conditions. The key factor is the relative positions of the Sun, Earth, and Moon.
The Moon orbits around the Earth, and its position changes continuously in relation to the Sun and our planet. Although the Moon is often associated with nighttime, it is not always opposite the Sun in the sky. The Moon goes through different phases, such as the new moon, first quarter, full moon, and last quarter, as it orbits the Earth. These phases occur due to the changing positions of the Sun, Earth, and Moon.
When the Moon is in a phase other than the full moon, it is possible to see it during the daytime. This is because sunlight still reaches the Moon, and the reflected sunlight makes the Moon visible from Earth. The brightness of the Moon and its visibility during the day depend on various factors, including the phase of the Moon, the angle of the Sun, and atmospheric conditions.
The Moon's brightness during the day can be affected by the contrast with the bright daytime sky. During a clear day, the Moon may appear less prominent compared to the nighttime when it is set against a dark sky. However, if the conditions are favorable, such as a clear sky and a relatively bright phase of the Moon, it is possible to spot it even in daylight.
So, while the Sun is the primary source of light during the day, the Moon can still be visible due to its position and the reflection of sunlight.