The CLDR timezone map at https://we.phorge.it/source/phorge/browse/master/externals/cldr/cldr_windows_timezones.xml is used to translate windows timezones into Timezone DB timezones by setting $xml = $root.'/externals/cldr/cldr_windows_timezones.xml'; in https://we.phorge.it/source/phorge/browse/master/resources/timezones/generate-timezone-map.php .

Since the file was added on 2016-11-16 it has not seen any updates.

See https://github.com/unicode-org/cldr/commits/main/common/supplemental/windowsZones.xml for upstream updates in the meantime.

Thus pull the latest version of https://github.com/unicode-org/cldr/blob/main/common/supplemental/windowsZones.xml into Phorge.