astronomical day
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One of the objects of the third resolution is to make the new universal day coincide with the civil day rather than with the astronomical day.
To find at any hour desired what star will cross your meridian, take the R.A. of the Mean Sun for Greenwich Mean Noon of the proper astronomical day.
From Lectures in Navigation by Draper, Ernest Gallaudet
We may remark that the commencement of the astronomical day commences twelve hours after the civil day.
From Astronomical Myths Based on Flammarions's History of the Heavens by Blake, John F.
The astronomical day based on the sun, is 24 hours long, as said before.
From Lectures in Navigation by Draper, Ernest Gallaudet
A vigorous effort was made during the last fifteen years of the 19th century to bring the two uses into harmony by beginning the astronomical day at midnight.
From Encyclopaedia Britannica, 11th Edition, Volume 7, Slice 10 "David, St" to "Demidov" by Various
