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The areas near the equator have the least obvious changes in day and night. This is due to the small effect of the tilt of the earth's axis, the small change in the height of the sun, and the extension of sunlight hours by atmospheric refraction. Several of the countries located on the equator, such as Ecuador, Colombia and the Democratic Republic of the Congo, have almost the same amount of sunshine throughout the year, with almost unnoticeable changes in day and night.

Where on earth does the change between day and night have the least obvious effect?

Near the Equator

The areas near the equator have the least obvious day and night changes, with almost similar sunshine duration throughout the year. This is because:

• Earth's axis tilt: The Earth's axis is tilted by about 23.5 degrees, causing the alternation of day and night. But in areas near the equator, the tilt of the Earth's axis has less influence.
• Sun height: The sun shines almost vertically over the equator, so the sun's height changes very little throughout the day.
• Atmospheric Refraction: Atmospheric refraction bends sunlight as it approaches the horizon, thereby extending the actual daylight hours.

Several countries located on the equator, such as Ecuador, Colombia and the Democratic Republic of Congo, have almost the same amount of sunshine throughout the year, and the changes between day and night are almost unnoticeable.

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