1DateTime::TimeZone::OlsUosneDrB(C3o)ntributed Perl DocumDeantteaTtiimoen::TimeZone::OlsonDB(3)
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NAME

6       DateTime::TimeZone::OlsonDB - An object to represent an Olson time zone
7       database
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VERSION

10       version 1.70
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SYNOPSIS

13         none yet
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DESCRIPTION

16       This module parses the Olson database time zone definition files and
17       creates various objects representing time zone data.
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19       Each time zone is broken down into several parts.  The first piece is
20       an observance, which is an offset from UTC and an abbreviation.  A
21       single zone may contain many observances, reflecting historical changes
22       in that time zone over time.  An observance may also refer to a set of
23       rules.
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25       Rules are named, and may apply to many different zones.  For example,
26       the "US" rules apply to most of the time zones in the US,
27       unsurprisingly.  Rules are made of an offset from standard time and a
28       definition of when that offset changes.  Changes can be a one time
29       thing, or they can recur at regular times through a span of years.
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31       Each rule may have an associated letter, which is used to generate an
32       abbreviated name for the time zone, along with the offset's
33       abbreviation.  For example, if the offset's abbreviation is "C%sT", and
34       the a rule specifies the letter "S", then the abbreviation when that
35       rule is in effect is "CST".
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USAGE

38       Not yet documented.  This stuff is a mess.
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AUTHOR

41       Dave Rolsky <autarch@urth.org>
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44       This software is copyright (c) 2014 by Dave Rolsky.
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46       This is free software; you can redistribute it and/or modify it under
47       the same terms as the Perl 5 programming language system itself.
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51perl v5.16.3                      2014-06-01    DateTime::TimeZone::OlsonDB(3)
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