Binary package “hdate” in ubuntu focal

Provides the hcal and hdate binaries that help use Hebrew dates

 LibHdate is a small C,C++ library for Hebrew dates,
 holidays, and reading sequence (parasha). It is using
 the source code from Amos Shapir's "hdate" package fixed
 and patched by Nadav Har'El. The Torah reading sequence
 is from tables by Zvi Har'El.
 .
 This package provides the hdate command-line utility.