--- tz-link.htm | 35 ++++++++++++++++++----------------- 1 file changed, 18 insertions(+), 17 deletions(-) diff --git a/tz-link.htm b/tz-link.htm index ed926c7..43188a4 100644 --- a/tz-link.htm +++ b/tz-link.htm @@ -10,7 +10,7 @@ content="Sources for time zone and daylight saving time data"> <meta name="DC.Creator" content="Eggert, Paul"> <meta name="DC.Contributor" content="Olson, Arthur David"> -<meta name="DC.Date" content="2016-09-21"> +<meta name="DC.Date" content="2016-10-11"> <meta name="DC.Description" content="Sources of information about time zones and daylight saving time"> <meta name="DC.Identifier" @@ -27,7 +27,7 @@ histories and planned futures are often recorded only fitfully. Here is a summary of attempts to organize and record relevant data in this area. </p> -<h2>The <code><abbr title="time zone">tz</abbr></code> database</h2> +<h2 id="tzdb">The <code><abbr title="time zone">tz</abbr></code> database</h2> <p> The <a href="https://en.wikipedia.org/wiki/Public_domain">public-domain</a> time zone database contains code and data @@ -152,7 +152,7 @@ The code lets you compile the <code><abbr>tz</abbr></code> source files into machine-readable binary files, one for each location. It also lets you read a <code><abbr>tz</abbr></code> binary file and interpret time stamps for that location.</p> -<h2>Changes to the <code><abbr>tz</abbr></code> database</h2> +<h2 id="changes">Changes to the <code><abbr>tz</abbr></code> database</h2> <p> The <code><abbr>tz</abbr></code> code and data are by no means authoritative. If you find errors, please @@ -194,7 +194,7 @@ For further information about updates, please see <a href="https://tools.ietf.org/html/rfc6557">Procedures for Maintaining the Time Zone Database</a> (Internet <abbr title="Request For Comments">RFC</abbr> 6557).</p> -<h2>Commentary on the <code><abbr>tz</abbr></code> database</h2> +<h2 id="commentary">Commentary on the <code><abbr>tz</abbr></code> database</h2> <ul> <li>The article <a href="https://en.wikipedia.org/wiki/Tz_database">tz database</a> is @@ -212,7 +212,8 @@ href="https://blog.jonudell.net/2009/10/23/a-literary-appreciation-of-the-olsonz literary appreciation of the Olson/Zoneinfo/tz database</a> comments on the database's style.</li> </ul> -<h2>Web sites using recent versions of the <code><abbr>tz</abbr></code> database</h2> +<h2 id="web">Web sites using recent versions of the +<code><abbr>tz</abbr></code> database</h2> <p> These are listed roughly in ascending order of complexity and fanciness. </p> @@ -242,7 +243,7 @@ calculates the current time difference between locations.</li> also contains data about time zone boundaries; it supports queries via place names and shows location maps.</li> </ul> -<h2>Network protocols for <code><abbr>tz</abbr></code> data</h2> +<h2 id="protocols">Network protocols for <code><abbr>tz</abbr></code> data</h2> <ul> <li>The <a href="https://www.ietf.org">Internet Engineering Task Force</a>'s <a href="https://datatracker.ietf.org/wg/tzdist/charter/">Time Zone Data @@ -267,7 +268,7 @@ title="Extensible Markup Language">XML</abbr></a> format, and a variant uses <a href="http://www.json.org"><abbr title="JavaScript Object Notation">JSON</abbr></a> format.</li> </ul> -<h2>Other <code><abbr>tz</abbr></code> compilers</h2> +<h2 id="compilers">Other <code><abbr>tz</abbr></code> compilers</h2> <ul> <li><a href="https://sourceforge.net/projects/vzic/">Vzic</a> is a <a href="https://en.wikipedia.org/wiki/C_%28programming_language%29">C</a> @@ -390,7 +391,7 @@ source into text files, along with a runtime that can read those files. Tcl is freely available under a <abbr>BSD</abbr>-style license.</li> </ul> -<h2>Other <code><abbr>tz</abbr></code> binary file readers</h2> +<h2 id="binary">Other <code><abbr>tz</abbr></code> binary file readers</h2> <ul> <li>The <a href="https://www.gnu.org/software/libc/"><abbr>GNU</abbr> C @@ -439,7 +440,7 @@ package contains <a href="https://www.haskell.org">Haskell</a> code that parses and uses <code><abbr>tz</abbr></code> binary data. It is freely available under a <abbr>BSD</abbr>-style license.</li> </ul> -<h2>Other <code><abbr>tz</abbr></code>-based time zone software</h2> +<h2 id="software">Other <code><abbr>tz</abbr></code>-based time zone software</h2> <ul> <li><a href="https://foxclocks.org">FoxClocks</a> is an extension for <a href="https://www.google.com/chrome/">Google @@ -496,7 +497,7 @@ an <abbr>OS X</abbr> program. Its developers <a href="http://veladg.com/tzoffer.html">offer free licenses</a> to <code><abbr>tz</abbr></code> contributors.</li> </ul> -<h2>Other time zone databases</h2> +<h2 id="other-dbs">Other time zone databases</h2> <ul> <li><a href="http://www.astro.com/atlas">Time-zone Atlas</a> is Astrodienst's Web version of Shanks and Pottenger's @@ -525,7 +526,7 @@ Schedules Information Manual</a> of the International Air Transport Association gives current time zone rules for airports served by commercial aviation.</li> </ul> -<h2>Maps</h2> +<h2 id="maps">Maps</h2> <ul> <li>The <a href="https://www.cia.gov/index.html">United States Central Intelligence Agency (<abbr @@ -552,7 +553,7 @@ much is time wrong around the world?</a> maps the difference between mean solar and standard time, highlighting areas such as western China where the two differ greatly. It's a bit out of date, unfortunately.</li> </ul> -<h2>Time zone boundaries</h2> +<h2 id="boundaries">Time zone boundaries</h2> <ul> <li><a href="http://efele.net/maps/tz/"><abbr>TZ</abbr> timezones maps</a> contains <a @@ -589,7 +590,7 @@ for land and territorial waters only). A captain can change ship's clocks any time after entering a new time zone; midnight changes are common.</li> </ul> -<h2>Civil time concepts and history</h2> +<h2 id="civil">Civil time concepts and history</h2> <ul> <li><a href="http://physics.nist.gov/time">A Walk through Time</a> @@ -609,7 +610,7 @@ time zone boundary.</li> <li><a href="http://statoids.com/tconcept.html">Basic Time Zone Concepts</a> discusses terminological issues behind time zones.</li> </ul> -<h2>National histories of legal time</h2> +<h2 id="national">National histories of legal time</h2> <dl> <dt>Australia</dt> <dd>The Parliamentary Library has commissioned a <a @@ -679,7 +680,7 @@ of Summer time dates</a>.</dd> href="https://www.transportation.gov/regulations/recent-time-zone-proceedings">Recent Time Zone Proceedings</a> lists changes to time zone boundaries.</dd> </dl> -<h2>Precision timekeeping</h2> +<h2 id="precision">Precision timekeeping</h2> <ul> <li><a href="http://literature.agilent.com/litweb/pdf/5965-7984E.pdf">The @@ -752,7 +753,7 @@ might be redefined without Leap Seconds</a> gives pointers on this contentious issue.</li> </ul> -<h2>Time notation</h2> +<h2 id="notation">Time notation</h2> <ul> <li>The <a href="http://cldr.unicode.org">Unicode Common Locale Data Repository (<abbr>CLDR</abbr>) Project</a> has localizations for time @@ -826,7 +827,7 @@ any future changes to the rules. One should never set local time is nine hours ahead of <abbr>UTC</abbr> and the time zone is called "<abbr>GMT</abbr>".</li> </ul> -<h2>See also</h2> +<h2 id="see-also">See also</h2> <ul> <li><a href="tz-art.htm">Time and the Arts</a></li> </ul> -- 2.7.4