The Packages file on ftp.debian.org has the date 214917 Mar 22 17:10 Packages.gz but there have been many recent updates since then that aren't in the Packages file, such as binary-i386/devel/tcl76-dev_7.6p2-2.deb 323310 binary-i386/devel/tk42-dev_4.2p2-2.deb 524238 and lots more (modutils, etc).
...RickM...