Latest Fedora delivers 2.21 version. Upstream released 2.23. When you have free time, please upgrade it.
perl-DateTime-TimeZone-2.23-1.fc29 has been submitted as an update to Fedora 29. https://bodhi.fedoraproject.org/updates/FEDORA-2019-b49f238a91
perl-DateTime-TimeZone-2.23-1.fc28 has been submitted as an update to Fedora 28. https://bodhi.fedoraproject.org/updates/FEDORA-2019-62d3fb74d7
perl-DateTime-TimeZone-2.23-1.fc28 has been pushed to the Fedora 28 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2019-62d3fb74d7
perl-DateTime-TimeZone-2.23-1.fc29 has been pushed to the Fedora 29 testing repository. If problems still persist, please make note of it in this bug report. See https://fedoraproject.org/wiki/QA:Updates_Testing for instructions on how to install test updates. You can provide feedback for this update here: https://bodhi.fedoraproject.org/updates/FEDORA-2019-b49f238a91
perl-DateTime-TimeZone-2.23-1.fc28 has been pushed to the Fedora 28 stable repository. If problems still persist, please make note of it in this bug report.
perl-DateTime-TimeZone-2.23-1.fc29 has been pushed to the Fedora 29 stable repository. If problems still persist, please make note of it in this bug report.