mean solar time

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mean solar time

n.
Time measured with reference to the mean sun so that each day of the year is exactly 24 hours long. Mean solar time differs from solar time since the earth's orbital speed, and therefore the length of the solar day, changes with the seasons.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

mean′ so′lar time`


n.
time measured by the hour angle of the mean sun. Also called mean′ time`.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.mean solar time - (astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator)mean solar time - (astronomy) time based on the motion of the mean sun (an imaginary sun moving uniformly along the celestial equator)
mean time
astronomy, uranology - the branch of physics that studies celestial bodies and the universe as a whole
time unit, unit of time - a unit for measuring time periods
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References in periodicals archive
But the ideal timekeeper, because it has to do with observable reality, has to do with the Earth's rotation, or mean solar time. The two mesh with lovely accuracy; the problem is that the length of day is infinitesimally slowing - and so once in a while, when the International Earth Rotation and Reference System Service decrees - most recently on Dec.
Leaps for joy
Mean Solar Time, MST, is the time that is used for our daily living and assumes that the Earth moves at a uniform rate around the Sun: a sort of averaged out, or 'mean' rate.
Basic observing skills
Mean solar time is nothing but the artificial clock time adjusted by readings of the diurnal rotation of the fixed stars to match with average apparent solar time.
SWOT analysis and power productivity estimation through solar radiation assessment
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