Apparent time

Astronomy. local time measured by the hour angle of the sun.
Historical Examples

The interval, by which apparent time differs from mean time, is called the equation of time.
Letters on Astronomy Denison Olmsted

It is the relation of the sun’s hour angle to apparent time.
Lectures in Navigation Ernest Gallaudet Draper

Difference between apparent and mean time or mean and apparent time – Equation of Time.
Lectures in Navigation Ernest Gallaudet Draper

This will be the solar or apparent time, that is, the very time we require.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 3 Various

The sun set this night at thirty minutes after eleven, apparent time.
Narrative of a Journey to the Shores of the Polar Sea, in the years 1819-20-21-22, Volume 2 John Franklin

All the meridians centered at the pole, and the time there was the apparent time of every meridian on the globe.
A. D. 2000 Alvarado M. Fuller

When time is calculated by the stars it is called sidereal time; when by the sun, solar, or apparent time.
Conversations on Natural Philosophy, in which the Elements of that Science are Familiarly Explained Jane Haldimand Marcet and Thomas P. Jones

apparent time called it one, real time said it was two hours after midnight.
The Actress in High Life Sue Petigru Bowen

We have, however, already seen that the apparent time of sunset would be the same from all stations if the earth were flat.
Great Astronomers R. S. Ball

The odd seconds set down above, arose by reducing the time, as given by the watch, to apparent time.
A General History and Collection of Voyages and Travels, Volume 16 Robert Kerr

apparent time
Solar time as measured by the Sun’s actual position with respect to an observer’s local meridian and equal for any observer to the hour angle of the Sun at that location. Sundials register apparent time, which differs continuously with the observer’s longitude and is not standardized across a time zone. Each degree of longitude represents a difference of four minutes in apparent time. Because of irregularities in Earth’s orbit and the tilt of its axis, a day as measured by apparent time varies somewhat in length throughout the year. Also called apparent solar time. ◇ The moment when the Sun crosses an observer’s local meridian is called the apparent noon. Compare local mean time. See more at mean time, solar time.


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