Updated tzdata packages has been released for Debian 7 LTS

Package : tzdata
Version : 2016j-0+deb7u1

This update includes the changes in tzdata 2016j. Notable
changes are:
- Saratov, Russia switches from +03 to +04 on 2016-12-04 at 02:00.

For Debian 7 "Wheezy", these problems have been fixed in version
2016j-0+deb7u1.

We recommend that you upgrade your tzdata packages.

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS