A new update is available for Fedora Core - Fedora Core 3 Update: tzdata-2005m-1.fc3. Here the announcement:

Fedora Update Notification
FEDORA-2005-857
2005-09-07
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Product : Fedora Core 3
Name : tzdata
Version : 2005m
Release : 1.fc3
Summary : Timezone data
Description :
This package contains data files with rules for various timezones around
the world.

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* Tue Sep 6 2005 Jakub Jelinek <jakub@redhat.com> 2005m-1.fc3
- 2005m
- changes for USA (extending DST by 4 weeks since 2007), Tunisia,
Australia, Kazakhstan
- historical timezone data changes for Japan, Poland, Northern Ireland and
Mali
- timezone name change for East Timor

* Fri Jul 15 2005 Jakub Jelinek <jakub@redhat.com> 2005k-2
- 2005k
- leap seconds update

* Sat Apr 30 2005 Jakub Jelinek <jakub@redhat.com> 2005i-2
- 2005i
- updates for Iran, Haiti and Nicaragua

* Mon Apr 4 2005 Jakub Jelinek <jakub@redhat.com> 2005h-2
- 2005h
- fixes for Kazakhstan

* Thu Mar 17 2005 Jakub Jelinek <jakub@redhat.com> 2005g-2
- 2005g
- fixes for Uruguay
- include README and Theory from tzcode tarball in /usr/share/doc;
Theory includes a good summary of how the timezone data files
are supposed to be named


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This update can be downloaded from:
http://download.fedora.redhat.com/pub/fedora/linux/core/updates/3/

0c88ec5065013f74f023c20534249d7d SRPMS/tzdata-2005m-1.fc3.src.rpm
6b4289b25f18d77b1a6395d9ab5d5637 x86_64/tzdata-2005m-1.fc3.noarch.rpm
6b4289b25f18d77b1a6395d9ab5d5637 i386/tzdata-2005m-1.fc3.noarch.rpm

This update can also be installed with the Update Agent; you can
launch the Update Agent with the 'up2date' command.