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.
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.
To find an odd hour during this astronomical day, subtract .2 from the preceding even hour.
From Lectures in Navigation by Draper, Ernest Gallaudet
You remember that we have learned that astronomical time is reckoned from noon of one day to noon of the next and hence the astronomical day corresponds to the 24 hours of a ship's run.
From Lectures in Navigation by Draper, Ernest Gallaudet
On the other hand, those navigators who were in the neighborhood of the 180th meridian would have all their work of one day occurring in the same astronomical day.
