* tz-link.html: Defer to the Timezone Boundary Builder web page for a list of libraries that use it, as its list is larger and better-maintained than ours. Mention how old the Manifold map is. Mention WRC 2023 resolution on leap seconds. --- tz-link.html | 36 ++++++++---------------------------- 1 file changed, 8 insertions(+), 28 deletions(-) diff --git a/tz-link.html b/tz-link.html index 78c266ee..9fb57c90 100644 --- a/tz-link.html +++ b/tz-link.html @@ -787,32 +787,9 @@ boundaries of <code><abbr>tzdb</abbr></code> timezones. Its code is freely available under the <abbr>MIT</abbr> license, and its data entries are freely available under the <a href="https://opendatacommons.org/licenses/odbl/">Open Data Commons -Open Database License</a>. The maps' borders appear to be quite accurate.</li> -<li>Programmatic interfaces that map geographical coordinates via tz_world to -<code><abbr>tzdb</abbr></code> timezones include: -<ul> -<li><a href="https://github.com/mj1856/GeoTimeZone">GeoTimeZone</a> is -written in <a -href="https://en.wikipedia.org/wiki/C_Sharp_(programming_language)">C#</a> -and is freely available under the <abbr>MIT</abbr> license.</li> -<li>The <a href="https://github.com/bradfitz/latlong">latlong package</a> -is written in Go and is freely available under the Apache License.</li> -<li><a href="https://github.com/drtimcooper/LatLongToTimezone">LatLongToTimezone</a>, -in both Java and -<a href="https://en.wikipedia.org/wiki/Swift_(programming_language)">Swift</a> -form, is freely available under the MIT license.</li> -<li>For Node.js, -the <a href="https://www.npmjs.com/package/geo-tz">geo-tz module</a> -is freely available under the MIT license, and -the <a href="https://www.npmjs.com/package/tz-lookup">tz-lookup module</a> -is in the public domain.</li> -<li>The <a -href="https://github.com/MrMinimal64/timezonefinder">timezonefinder</a> -library for Python is freely available under the MIT license. -<li>The <a -href="https://github.com/gunyarakun/timezone_finder">timezone_finder</a> -library for Ruby is freely available under the MIT license.</li> -</ul></li> +Open Database License</a>. The borders appear to be quite accurate. +Its main web page lists more than twenty libraries +for looking up a timezone name from a GPS coordinate.</li> <li>Free access via a network API, if you register a key, is provided by the <a href="https://www.geonames.org/export/web-services.html#timezone">GeoNames @@ -833,7 +810,7 @@ Divisions of Countries ("Statoids")</a> lists political subdivision data related to time zones.</li> <li><a href="https://manifold.net/info/freestuff.shtml">Manifold Software – GIS and Database Tools</a> includes a Manifold-format map of -world time zone boundaries distributed under the +world time zone boundaries circa 2007, distributed under the <abbr>GPL</abbr>.</li> <li>A ship within the <a href="https://en.wikipedia.org/wiki/Territorial_waters">territorial @@ -1133,9 +1110,12 @@ might be redefined without Leap Seconds</a> gives pointers on this contentious issue. The General Conference on Weights and Measures -<a href="https://www.bipm.org/en/cgpm-2022/resolution-4">voted in 2022</a> +<a href="https://www.bipm.org/en/cgpm-2022/resolution-4">decided in 2022</a> to discontinue the use of leap seconds by 2035, replacing them with an as-yet-undetermined scheme some time after the year 2135. +The World Radiocommunication Conference <a +href="https://www.itu.int/dms_pub/itu-r/opb/act/R-ACT-WRC.15-2023-PDF-E.pdf">resolved +in 2023</a> to cooperate with this process. </li> </ul> </section> -- 2.40.1