This file is a temporary stop-gap until CLDR's metazone information
is handled either in CLDR itself or in DateTime::Timezones.


This script assumes that the metaZones.xml file from CLDR is in the same directory.



use XML;
use DateTime::Timezones;

my IO::Handle $file = open "Metazones.data", :w;

my $xml = open-xml("metaZones.xml");

my @timezones = $xml.getElementsByTagName('metaZones'   ).head.
        getElementsByTagName('metazoneInfo').head.
        getElementsByTagName('timezone');

sub gmt(Str \stamp, $timezone) {
    # 1983-10-30 12:00
    my ($year, $month, $day, $hour, $minute) = stamp.comb(/\d+/);
    return DateTime.new(:$year, :$month, :$day, :$hour, :$minute, :$timezone).posix;
}
constant min = -9223372036854775808; # int64 min
constant max =  9223372036854775807; # int64 max
for @timezones -> $timezone {
    my $olson = $timezone<type>;
    say "Processing $olson";;
    $file.print: $olson;
    for $timezone.getElementsByTagName('usesMetazone') -> $metazone {
        my $start   = $metazone<from> // "*"; # These are in GMT time, max = 9223372036854775807
        my $end     = $metazone<to>   // "*"; # These are in GMT time, min = -9223372036854775808
        my $link-to = $metazone<mzone>;

        try {
            CATCH { .say }
            $file.print:
                    ","
                            ~ $link-to
                            ~ ","
                            ~ ($start eq '*' ?? min !! gmt($start, $olson))
                            ~ ","
                    ~ ($end eq '*' ?? max !! gmt($end, $olson));
        }
    }
    $file.print: "\n";
}

$file.close;



root

Intl::Format::List


00-cache

React

=begin React :component<HeaderCol> :id<menu> 
=para L<Documentation|/doc/introduction>
=para L<Modules| /mods>
=para L<Examples| file:../examples/index.podlite>
=para L<Download |file:../download/index.podlite>
=para L<About|file:../about/index.podlite>
=para 🔍 K<⌘K>/K<ctrl-K>
=end React


=begin React :component<HeaderCol> :id<footer>  
=begin nested :!nested
=item1 B<Language>
    =item2 L<Get started|file:../getting-started/getting-started.podlite>
    =item2 L<Why Raku?|/doc/language/faq#Why-should-I-learn-Raku-What's-so-great-about-it>
    =item2 L<Try Raku|https://glot.io/new/raku>
    =item2 L<Raku cheat sheet|https://github.com/Raku/mu/blob/master/docs/Perl6/Cheatsheet/cheatsheet.txt>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<Raku on Exercism|https://exercism.org/tracks/raku>
    =item2 L<Wikipedia|https://en.wikipedia.org/wiki/Raku_(programming_language)>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>

=end nested
=begin nested :!nested

=item1 B<L<Documentation|/doc>>
    =item2 L<Getting started, Migration guides from other languages, & Tutorials | file:../doc/introduction.podlite>
    =item2 L<Language References|file:../doc/reference.podlite>
    =item2 L<Type Reference| file:../doc/types.podlite>
    =item2 L<Miscellaneous| file:../doc/miscellaneous.podlite>
    =item2 L<FAQs (Frequently Asked Questions)|/doc/language/faq>
    =item2 L<Community|/doc/language/community>
    =item2 L<The list of all documents|file:../doc/index.podlite>

=item1 B<Resources>
    =item2 L<The Raku Guide|https://raku.guide/>
    =item2 L<Books |https://perl6book.com/>
    =item2 L<Rosetta Code | https://www.raku.org/community/rosettacode>

=end nested
=begin nested :!nested

=item1 B<Resoures>
    =item2 L<Download | file:../download/index.podlite>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>

=item1 B<Learning>
    =item2 L<The Raku Guide|https://raku.guide/>
    =item2 L<Wikibook |https://en.wikibooks.org/wiki/Raku_Programming>
    =item2 L<Books |https://perl6book.com/>
    =item2 L<Rosetta Code | https://www.raku.org/community/rosettacode>
    =item2 L<Learn Raku in Y minutes|https://learnxinyminutes.com/docs/raku/>
    =item2 L<Golfing |https://github.com/AlexDaniel/raku-golf-cheatsheet>
=end nested
=begin nested :!nested

=item1 B<Explore>
    =item2 L<Raku Blog Aggregator|https://planet.raku.org/>
    =item2 L<Rakudo Weekly|https://rakudoweekly.blog/>
    =item2 L<The Weekly Challenge |https://perlweeklychallenge.org/>
    =item2 L<Raku Advent Calendar|https://raku-advent.blog/>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>
    =item2 L<empty|#>

=end nested
=end React


=begin React :component<CookieConsent> :id<CookieConsent> :buttonCaption("Got it!")
=para
This website uses cookies for analytics.
=end React


parse-metazones

Intl::Format::DateTime v0.3.0

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