civil twilight

I thought it only called during the so-called 'civil twilight.

That time usually corresponds to the end of civil twilight.

First light is the beginning of morning civil twilight.

For example, the start of civil twilight may occur twice on a single calendar day.

In fact, civil twilight does not end there until Oct. 8.

Perhaps the moon has a civil twilight as well.

They are best observed during civil twilight when the sun is between 1 and 6 degrees below the horizon.

Civil twilight is when the sun is less than 6 below the horizon.

There is then no true daylight at the solar culmination, only civil twilight.

Dusk as the last part of civil twilight ends when the sun is 6 degrees below the horizon in the evening.

I sit and watch from civil twilight until astronomical twilight.

"Civil twilight" is a term used internationally in aviation.

The latter run was as support for Civil Twilight.

After sunset, civil twilight sets in, and ends when the sun drops more than 6 below the horizon.

Daytime flight only (civil twilight is used to define day/night)

Civil twilight refers to the time before sunrise and after sunset when the sun is 6 degrees or less below the horizon.

Have you ever heard of civil twilight?

Human", a song by Civil Twilight from their self-titled album "

Civil Twilight received general acclaim from those who reviewed it, with three main reviewers giving positive ratings.

Morning Civil Twilight, from when the center of the Sun is less than 6 below the horizon to sunrise.

Then civil twilight continues almost all the night, only a little bit of "nautical twilight" obviously around the local midnight.

Flying hours between begin civil twilight to end civil twilight.

Last light is the end of evening civil twilight and the official end of daylight for aerial navigation.

Astronomers call it civil twilight.

During civil twilight, there may still be enough light for normal outdoor activities because of light scattering by the upper atmosphere and refraction.