How Long After Sunset Is EENT (And Why)?

Exact Answer: Forty Minutes

The earth rotates around the sun throughout the year, leading the planet to experience different seasons: winter, summer, autumn, and spring. The sun disappearing below the horizon as the earth rotates causes sunset. Sunset is viewed at different times and directions according to the position of the different latitudes.

EENT stands for End Evening Nautical Twilight. This is the time when the sky looks beautiful and vibrant. The Northern Hemisphere views sunset at the northwest while the southern hemisphere observes the evening in the southwestern direction. In the regions where the Equator passes, sunset is at the west during Autumn or Spring.

How Long After Sunset Is EENT?

It is vital to understand the different types of twilight to know how long it takes to get dark after sunset. Twilight is the period after sunset before darkness immerges. These different sunsets’ positions indicate that various factors influence sunset. These factors are also explained why different places have different twilights after sunset. In Civil twilight, bright objects in the sky are the only ones that can be viewed. These objects include the planets Venus and mercury, which are very bright stars. Civil twilight has light enough to read a book since everything is still glaring at this period. As civil twilight ends, there is a need for artificial light, such as electricity, to enhance the view. It takes about thirty minutes.

Nautical twilight creates a shade of black at the horizon where the sun was previously set. The color of the sky is usually dark blue, and the stars can be seen. During this twilight, you cannot distinguish the different colors due to inefficient light. Therefore additional lighting assists in the going on with outdoor activities or in identifying colors. Objects can only be recognized as silhouettes from afar. It takes about forty minutes.

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Type Of TwilightTime After Sunset
Civil twilightThirty minutes
Nautical twilightForty minutes
Astronomical twilightForty-five minutes

Astronomical twilight is the period when the sky is black, and the darkness has genuinely immersed. It is the nighttime though one can see some space objects as long as they are not near the sunset’s horizon. It takes about forty-five minutes.

Why Does It Take That Long After Sunset For EENT?

Places around the Equator take a shorter time to get dark, but as you move away from the Equator, the time increases. Places found in the north do not have sunset during summers, such as the north of Canada. The Equator is the central latitude that divides the earth into two equal hemispheres. The sun does not rise or set, but the earth’s rotation influences sunset. The Equator determines the sun’s position during noon, which is the top of the head in places along the Equator.

As you move far from the Equator, the later the sunsets and the earlier the sun rises. This occurrence happens between March Equinox the September Equinox. The way the sun tilts and the different seasons affect twilight. It is because when the north is tilted to face the sun, it experiences summer. Thus, more sunlight and sunsets occur later than during winter. As for the Southern Hemisphere, it does not always tilt, making the different times for evening. It explains why the Southern Hemisphere has many sunsets.

It takes that long after sunset for EENT because of the orientation of the earth and its rotating speed. After sunset takes place, the light from the sun still comes on the earth because it is spherical, and the light turns around its surfaces. All this is natural and fascinating to see. Every person must go with their friends to see the sunset at different times of the year.

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Conclusion

Overall, it can be concluded that sunset is a beautiful time, and most people love the sunset view. The sun disappearing below the horizon as the earth rotates causes sunset. Sunset is viewed at different times and directions according to the position of the different latitudes.

On average, Nautical twilight takes place after forty minutes of sunset. The color of the sky is usually dark blue, and the stars can be seen. During this twilight, you cannot distinguish the different colors due to inefficient light. After sunset takes place, the light from the sun still comes on the earth because it is spherical, and the light turns around its surfaces.

References

  1. https://www.jstor.org/stable/3677138
  2. https://www.osapublishing.org/abstract.cfm?uri=AO-54-4-B85
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