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A solar day is the interval between two successive passages of the sun across the meridian of any place. If the earth were stationary in its orbit, the solar day would be of the same length as the sidereal ; but while the earth is turning around on its...
Fourteen Weeks Course in Descriptive Astronomy - Page 289
by Joel Dorman Steele - 1876 - 336 pages

## Laws and Properties of Matter

Richard Glazebrook - Matter - 1893 - 184 pages
...earth round its axis is very nearly indeed constant, but owing to the motion of the earth round the sun the interval between two successive passages of the sun across the meridian of any place differs from day to day. The average of such intervals during a year is a mean solar day. A mean solar...

## Mechanics: Dynamics

...one such complete rotation is approximately constant. Owing to the motion of the earth round the sun the interval between two successive passages of the sun across the meridian of any place differs slightly from day to day. The average of such intervals during the year is the mean solar day....

## Mechanics: An Elementary Text-book, Theoretical and Practical, for Colleges ...

Richard Glazebrook - Hydrostatics - 1895 - 628 pages
...one such complete rotation is approximately constant. Owing to the motion of the earth round the sun the interval between two successive passages of the sun across the meridian of any place differs slightly from day to day. The average of such intervals during the year is the mean solar day....

## Arithmetic for Schools

Charles Smith - Arithmetic - 1895 - 329 pages
...157. Table of Measures of Time. The Standard Unit of Time is the Mean Solar Day; that is, the mean interval between two successive passages of the sun across the meridian of any place. A day is supposed to begin at midnight. 60 seconds (sec.) = 1 minute (min.). 60 min. = 1 hour (hr.)....

## Self Culture, Volume 2

1895
...day is not, as is commonly supposed, the time required by the earth to make one turn on its axis, but the interval between two successive passages of the sun across the meridian — that is to say, the time which elapses after the sun is seen exactly south at noon before it is...

## Popular Astronomy: Being the New Descriptive Astronomy

Joel Dorman Steele - Astronomy - 1899 - 349 pages
...photography. Solar Time. — A solar day is the interval between two consecutive passages of the sun's center across the meridian of any place. If the earth were...around on its axis, it is going forward at the rate of 360° in a year, or nearly 1° a day. When the earth has made a complete rotation, it must therefore...

## Science and Industry: 1898-99, Volume 3

Industrial arts - 1899
...The hour angle is measured by the arc of the equator included between the two circles. As an apparent solar day is the Interval between two successive passages of the sun over the same meridian, the sun describes 360° in 24 apparent hours, or IS0 In 1 apparent hour. The...

## Elementary Physiography: An Introduction to the Study of Nature

John Thornton - Physical geography - 1899 - 427 pages
...parts of England, and this is the time as shown by a clock moving through 24 solar hours in the average interval between two successive passages of the sun across the meridian of Greenwich, the moment of passage being Greenwich mean noon. Such a clock does not always indicate noon...