Definition, Meaning & Synonyms

mean-sun

noun
/miːn sʌn/
Definition
The mean sun is an abstract point that represents the average position of the sun in the sky over a given period, used to standardize timekeeping.
Examples
  • The mean-sun concept is crucial for understanding time zones.
  • Using the mean-sun, we can accurately calculate solar time.
  • The mean-sun is an essential part of many astronomical calculations.
Meaning
It is a theoretical construct in timekeeping that helps to create a uniform system of time measurement based on the apparent motion of the sun.
Synonyms
  • Average sun
  • Mean solar time