Explanation

The shortest day occurs in the Northern Hemisphere is on the 22nd of December

The longest day occurs in the Northern Hemisphere is on 22nd June

21 March and 23sept equal day and night.

In Nairobi (Libya) equal day and night happen.

When Earth is closer to the sun, it is the month of January; this process is known as Perihelion. (means the shortest distance b/w earth and sun)

When Earth is away from the sun, it is the month of June; this process is known as Aphelion. (Means, longest distance b/w earth and sun)

SH2-8-2023