@spiceErrorCheck<EOL>def b1900():
return libspice.b1900_c()<EOL>
Return the Julian Date corresponding to Besselian Date 1900.0.

http://naif.jpl.nasa.gov/pub/naif/toolkit_docs/C/cspice/b1900_c.html

:return: The Julian Date corresponding to Besselian Date 1900.0.
:rtype: float