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.