/usr/share/man/man3/GlobusTimeAbstimeDiff.3.gz is in libglobus-common-doc 16.0-2.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/share/man/man3/globus_time.h.3.gz
/usr/share/man/man3/globus_time.h.3.gz