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africaH A D22-Dec-201647.2 KiB

antarcticaH A D22-Dec-201612.6 KiB

asiaH A D22-Dec-2016129.8 KiB

australasiaH A D22-Dec-201673.3 KiB

backwardH A D22-Dec-20164.3 KiB

backzoneH A D22-Dec-201620.2 KiB

checklinks.awkH A D22-Dec-20161,014

checktab.awkH A D22-Dec-20163.9 KiB

CONTRIBUTINGH A D22-Dec-20162.2 KiB

etceteraH A D22-Dec-20162.7 KiB

europeH A D22-Dec-2016156.3 KiB

factoryH A D22-Dec-2016406

leap-seconds.listH A D22-Dec-201610.2 KiB

leapsecondsH A D22-Dec-20163.1 KiB

leapseconds.awkH A D22-Dec-20162.5 KiB

LICENSEH A D22-Dec-2016243

MakefileH A D22-Dec-201628.8 KiB

NEWSH A D22-Dec-2016124.3 KiB

northamericaH A D22-Dec-2016141.4 KiB

pacificnewH A D08-Mar-20151.2 KiB

READMEH A D22-Dec-20162.8 KiB

southamericaH A D22-Dec-201676 KiB

systemvH A D08-Mar-20151.5 KiB

TheoryH A D22-Dec-201636.5 KiB

versionH A D22-Dec-20166

yearistype.shH A D08-Mar-2015678

zone.tabH A D22-Dec-201618.6 KiB

zone1970.tabH A D22-Dec-201617.2 KiB

zoneinfo2tdf.plH A D22-Dec-20161.4 KiB

README

1README for the tz distribution
2
3"What time is it?" -- Richard Deacon as The King
4"Any time you want it to be." -- Frank Baxter as The Scientist
5					(from the Bell System film "About Time")
6
7The Time Zone Database (often called tz or zoneinfo) contains code and
8data that represent the history of local time for many representative
9locations around the globe.  It is updated periodically to reflect
10changes made by political bodies to time zone boundaries, UTC offsets,
11and daylight-saving rules.
12
13Here is a recipe for acquiring, building, installing, and testing the
14tz distribution on a GNU/Linux or similar host.
15
16To acquire the distribution, run the following shell commands:
17
18	mkdir tz
19	cd tz
20	wget --retr-symlinks 'ftp://ftp.iana.org/tz/tz*-latest.tar.gz'
21	gzip -dc tzcode-latest.tar.gz | tar -xf -
22	gzip -dc tzdata-latest.tar.gz | tar -xf -
23
24Alternatively, the following shell commands acquire the same
25distribution, with extra data useful for regression testing:
26
27	wget --retr-symlinks 'ftp://ftp.iana.org/tz/tzdb-latest.tar.lz'
28	lzip -dc tzdb-latest.tar.lz | tar -xf -
29
30Be sure to read the comments in "Makefile" and make any changes needed
31to make things right for your system, especially if you are using some
32platform other than GNU/Linux.  Then run the following commands,
33substituting your desired installation directory for "$HOME/tzdir":
34
35	make TOPDIR=$HOME/tzdir install
36	$HOME/tzdir/etc/zdump -v America/Los_Angeles
37
38Historical local time information has been included here to:
39
40*	provide a compendium of data about the history of civil time
41	that is useful even if not 100% accurate;
42
43*	give an idea of the variety of local time rules that have
44	existed in the past and thus an idea of the variety that may be
45	expected in the future;
46
47*	provide a test of the generality of the local time rule description
48	system.
49
50The information in the time zone data files is by no means authoritative;
51fixes and enhancements are welcome.  Please see the file CONTRIBUTING
52for details.
53
54Thanks to these Time Zone Caballeros who've made major contributions to the
55time conversion package: Keith Bostic; Bob Devine; Paul Eggert; Robert Elz;
56Guy Harris; Mark Horton; John Mackin; and Bradley White.  Thanks also to
57Michael Bloom, Art Neilson, Stephen Prince, John Sovereign, and Frank Wales
58for testing work, and to Gwillim Law for checking local mean time data.
59Thanks in particular to Arthur David Olson, the project's founder and first
60maintainer, to whom the time zone community owes the greatest debt of all.
61None of them are responsible for remaining errors.
62
63Look in <ftp://ftp.iana.org/tz/releases/> for updated versions of these files.
64
65Please send comments or information to tz@iana.org.
66
67-----
68
69This file is in the public domain, so clarified as of 2009-05-17 by
70Arthur David Olson.  The other files in this distribution are either
71public domain or BSD licensed; see the file LICENSE for details.
72