wiki/Windows_Registry">Windows Registry</a>. The
<a
href="https://unicode.org/cldr/charts/latest/supplemental/zone_tzid.html">Zone
→ Tzid table</a> or <a
href="https://github.com/unicode-org/cldr/blob/master/common/supplemental/windowsZones.xml"><abbr>XML</abbr>
file</a> of the <abbr>CLDR</abbr> data maps proprietary zone IDs
to <code><abbr>tz</abbr></code> names.
These mappings can be performed programmatically via the <a href="https://github.com/mj1856/TimeZoneConverter">TimeZoneConverter</a> .NET libra