Dawn - Technical Definitions

Technical Definitions

There are also more technical definitions of dawn, including the following:

Astronomical dawn
the moment after which the sky is no longer completely dark; formally defined as the time at which the sun is 18 degrees below the horizon in the morning.
Nautical dawn
the time at which there is enough sunlight for the horizon and some objects to be distinguishable; formally, when the sun is 12 degrees below the horizon in the morning.
Civil dawn
that time at which there is enough light for objects to be distinguishable, so that outdoor activities can commence; formally, when the sun is 6 degrees below the horizon in the morning.

Read more about this topic:  Dawn

Famous quotes containing the words technical and/or definitions:

    Woman is the future of man. That means that the world which was once formed in man’s image will now be transformed to the image of woman. The more technical and mechanical, cold and metallic it becomes, the more it will need the kind of warmth that only the woman can give it. If we want to save the world, we must adapt to the woman, let ourselves be led by the woman, let ourselves be penetrated by the Ewigweiblich, the eternally feminine!
    Milan Kundera (b. 1929)

    The loosening, for some people, of rigid role definitions for men and women has shown that dads can be great at calming babies—if they take the time and make the effort to learn how. It’s that time and effort that not only teaches the dad how to calm the babies, but also turns him into a parent, just as the time and effort the mother puts into the babies turns her into a parent.
    Pamela Patrick Novotny (20th century)