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Mean Solar Time |
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mean solar time: see solar time solar time, time defined by the position of the sun. The solar day is the time it takes for the sun to return to the same meridian in the sky. Local solar time is measured by a sundial.
..... Click the link for more information. . mean time, mean solar time the time, at a particular place, measured in terms of the passage of the mean sun; the timescale is not precisely constant mean solar time [′mēn ′sō·lər ′tīm] (astronomy) Time that has the mean solar second as its unit, and is based on the mean sun's motion. Mean Solar Time (or mean time), a system of time measurement based on the diurnal motion of the fictitious mean sun, whose instant of lower transit is called mean midnight. Mean solar time is counted from mean midnight and is numerically equal to the hour angle of the mean sun plus 12 hours. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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