As of Version 9.0, unit functionality is built into the Wolfram Language
is a unit of time.
- To use SiderealSecond, you first need to load the Units Package using Needs["Units`"].
- SiderealSecond is equivalent to approximately 0.99727 Second (SI units).
- Convert[n SiderealSecond,newunits] converts n SiderealSecond to a form involving units newunits.