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* tz-link.htm: Update info about Microsoft Windows.

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Matt Johnson
2014-08-10 11:29:23 -07:00
committed by Paul Eggert
parent 115b6002d8
commit 1b1a1ecad4
1 changed files with 29 additions and 8 deletions
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tz-link.htm
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@@ -232,6 +232,16 @@ and group scheduling systems, and has a <a
href="http://www.w3.org/2002/12/cal/#tzd">workspace on time zone
data</a> converted from <code><abbr>tz</abbr></code>. An earlier <a
href="http://www.w3.org/2000/01/foo">schema</a> was sketched out.</li>
<li>Starting with Windows 8.1, Microsoft includes <code><abbr>tz</abbr></code>
and <abbr>CLDR</abbr> data in <abbr>XML</abbr> formatted files,
found under <code>%WINDIR%\Globalization\Time Zone</code>. This data is not
currently used by the Windows operating system itself. However, it
is used to support the use of <code><abbr>tz</abbr></code> identifiers in the
<a href="http://msdn.microsoft.com/en-us/library/windows/apps/windows.globalization.calendar.aspx"><code>Calendar</code></a>
and <a href="http://msdn.microsoft.com/en-us/library/windows/apps/windows.globalization.datetimeformatting.datetimeformatter.aspx"><code>DateTimeFormatter</code></a>
classes of the Windows Runtime. This enables <code><abbr>tz</abbr></code>
zones to be used in Windows Store applications and Windows Phone applications
that target the Windows Runtime.</li>
</ul>
<h2>Other <code><abbr>tz</abbr></code> compilers</h2>
<ul>
@@ -420,14 +430,25 @@ Schedules Information Manual</a> of the
<a href="http://iata.org/">International Air Transport
Association</a>
gives current time zone rules for airports served by commercial aviation.</li>
<li>Some Microsoft Windows versions contain time zone information in
an undocumented format, with <abbr>ID</abbr>s that can be mapped to
<code><abbr>TZ</abbr></code> values using the <a
href="http://unicode.org/cldr/charts/supplemental/zone_tzid.html">Zone
&rarr; Tzid table</a> in the <abbr>CLDR</abbr> data mentioned
below, or via <a href="http://msdn.microsoft.com/en-us/windows/apps">Windows
Store apps</a> classes such as <a
href="http://msdn.microsoft.com/en-us/library/windows/apps/dn264145.aspx">DateTimeFormatter</a>.</li>
<li>Since Windows 2000, Microsoft has provided its own time zone data for
Windows, which is stored in the Windows registry. Beginning with Windows
Vista, it was expanded to provide a limited history for some of the zones.
It is updated periodically by Windows Update, and via hotfixes posted on the
<a href="http://support.microsoft.com/gp/cp_dst">Microsoft DST support web
site</a>. The format for this data is documented with the <a
href="http://msdn.microsoft.com/en-us/library/ms725481.aspx"><code>TIME_ZONE_INFORMATION</code></a>
and <a
href="http://msdn.microsoft.com/en-us/library/ms724253.aspx"><code>DYNAMIC_TIME_ZONE_INFORMTION</code></a>
structures of the Win32 API. The data is also exposed by the <a
href="http://msdn.microsoft.com/en-us/library/system.timezoneinfo.aspx"><code>TimeZoneInfo</code></a>
class of the .NET Framework. A detailed description of the time zone data
is provided in <a
href="http://blogs.msdn.com/b/bclteam/archive/2007/06/07/exploring-windows-time-zones-with-system-timezoneinfo-josh-free.aspx">this
MSDN article</a>. The identifiers of these Windows time zones can be
mapped back to <code><abbr>tz</abbr></code> values using the
<a href="http://unicode.org/cldr/charts/supplemental/zone_tzid.html">Zone &rarr; Tzid table</a>,
or <a href="http://unicode.org/repos/cldr/trunk/common/supplemental/windowsZones.xml"><abbr>XML</abbr>
file</a> from the <abbr>CLDR</abbr> data mentioned below.</li>
</ul>
<h2>Maps</h2>
<ul>