Dictionary
Find
in
Dictionary
Thesaurus
Translations

Click to move up the list of words
equalize
equalizer
equally
equals sign
equanimity
equate
equation
equation of state
equation of time
equator
equatorial
equatorial current
equatorial plate
equatorial telescope
equerry
equestrian
equestrienne
Click to move down the list of words
Also available:

U.S. English Dictionary
Dictionnaire Français

equation of time

equation of time


noun 
Definition:
 
difference between apparent and mean time: the difference between apparent solar time and mean solar time, usually expressed as a correction to the apparent time. It varies in a complex annual pattern between maxima of about 15 minutes in February and November.

Advertisement

© 2009 Microsoft