AST has various meanings in the Scientific & Educational category. Discover the full forms, definitions, and usage contexts of AST in Scientific & Educational.
Combination of sciences dealing with nature, movements and appearances of heavenly bodies Divided into various groups, each giving a prefix to the word; eg nautical, physical, descriptive, etc.
Scientific & EducationalTime based on hour angle of true Sun Differs from Mean Solar Time by the 'Equation of Time' Rarely used in civil time reckoning, but frequently used in navigation.
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