As of Version 9.0, unit functionality is built into the Wolfram Language

is a unit of time.


  • To use SiderealYear, you first need to load the Units Package using Needs["Units`"].
  • SiderealYear is equivalent to approximately 3.15581×107 Second (SI units).
  • SiderealYear is equivalent to 365.25636 Day.
  • Convert[n SiderealYear,newunits] converts n SiderealYear to a form involving units newunits.
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