astronomical time

noun

Definition of astronomical time

: time reckoned in mean solar time units continuously through the 24 hours beginning either at noon or since 1925 at midnight of each civil day — compare greenwich mean time

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Learn More About astronomical time

Dictionary Entries Near astronomical time

astronomical telescope

astronomical time

astronomical triangle

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Cite this Entry

“Astronomical time.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/astronomical%20time. Accessed 28 Nov. 2021.

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