A sidereal year is approximately 365.256363 days (in 1994-2000), slightly longer than the solar year (365.2425 days).
Anomalistic Year, Eclipse Year, Tropical Year, Year
United States Government Printing Office. The Astronomical Almanac for the Year 2000. Washington, DC: Navy Dept., Naval Observatory, Nautical Almanac Office, p. C-1, 1997.
Anomalistic Year, Eclipse Year, Tropical Year, Year
