tz databasetz timezone corresponds to a ruleset that can
have more than two changes per year, these changes need not merely
flip back and forth between two alternatives, and the rules themselves
@@ -187,7 +187,7 @@ .', '-' and '_'.
Do not use digits, as that might create an ambiguity with POSIX
+ href="https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/V1_chap08.html#tag_08_03">POSIX.1-2017
TZ strings.
A file name component must not exceed 14 characters or start with
'-'.
@@ -362,6 +362,11 @@ zone1970.tab
it can list names defined in backward.
+Applications that process only timestamps from now on can instead use the file
+zonenow.tab, which partitions the world more coarsely,
+into regions where clocks agree now and in the predicted future;
+this file is smaller and simpler than zone1970.tab
+and zone.tab.
@@ -373,7 +378,7 @@
backward or in some other file.
The source file etcetera defines names that may be useful
-on platforms that do not support POSIX-style TZ strings;
+on platforms that do not support POSIX.1-2017-style TZ strings;
no other source file other than backward
contains links to its zones.
One of etcetera's names is Etc/UTC,
@@ -421,7 +426,7 @@ [-+[:alnum:]]{3,6} should match the
abbreviation.
This guarantees that all abbreviations could have been specified by a
- POSIX TZ string.
+ POSIX.1-2017 TZ string.
tz databasetz code and data, which
provide only limited support for date and time localization
- such as that required by POSIX.
+ such as that required by POSIX.1-2017.
If DST is not used a different time zone
can often do the trick; for example, in Kenya a TZ setting
like <-03>3 or America/Cayenne starts
@@ -867,23 +872,23 @@ zic.
-
- In POSIX, time display in a process is controlled by the
+ In POSIX.1-2017, time display in a process is controlled by the
environment variable TZ.
- Unfortunately, the POSIX
+ Unfortunately, the POSIX.1-2017
TZ string takes a form that is hard to describe and
is error-prone in practice.
- Also, POSIX TZ strings cannot deal with daylight
+ Also, POSIX.1-2017 TZ strings cannot deal with daylight
saving time rules not based on the Gregorian calendar (as in
Morocco), or with situations where more than two time zone
abbreviations or UT offsets are used in an area.
- The POSIX TZ string takes the following form:
+ The POSIX.1-2017 TZ string takes the following form:
@@ -950,7 +955,7 @@
- Here is an example POSIX TZ string for New
+ Here is an example POSIX.1-2017 TZ string for New
Zealand after 2007.
It says that standard time (NZST) is 12 hours ahead
of UT, and that daylight saving time
@@ -961,7 +966,7 @@
TZ='NZST-12NZDT,M9.5.0,M4.1.0/3'
- This POSIX TZ string is hard to remember, and
+ This POSIX.1-2017 TZ string is hard to remember, and
mishandles some timestamps before 2008.
With this package you can use this instead:
tz code
The TZ environment variable is used in generating
the name of a file from which time-related information is read
- (or is interpreted à la POSIX); TZ is no longer
+ (or is interpreted à la POSIX.1-2017); TZ is no longer
constrained to be a string containing abbreviations
and numeric data as described above.
The file's format is TZif,
diff --git a/tz-art.html b/tz-art.html
index e3be5f2..3ee1eb2 100644
--- a/tz-art.html
+++ b/tz-art.html
@@ -210,7 +210,7 @@
-Data on recordings of "Save That Time," Russ Long, Serrob Publishing, BMI:
-| Artist | Karrin Allyson |
| CD | I Didn't Know About You |
| Copyright Date | 1993 |
| Label | Concord Jazz, Inc. |
| ID | CCD-4543 |
| Track Time | 3:44 |
| Personnel | Karrin Allyson, vocal;
+
|
| Notes | CD notes "additional lyric by Karrin Allyson; -arranged by Russ Long and Karrin Allyson" |
| ADO Rating | 1 star |
| AMG Rating | 4 stars |
| Penguin Rating | 3.5 stars |
| Artist | Kevin Mahogany |
| CD | Double Rainbow |
| Copyright Date | 1993 |
| Label | Enja Records |
| ID | ENJ-7097 2 |
| Track Time | 6:27 |
| Personnel | Kevin Mahogany, vocal;
+Todd Strait, drums.
+CD notes "additional lyric by Karrin Allyson;
+arranged by Russ Long and Karrin Allyson".
+ADO ★,
+AMG
+★★★★, Penguin ★★★⯪.
+
+ |
| ADO Rating | 1.5 stars |
| AMG Rating | 3 stars |
| Penguin Rating | 3 stars |
| Artist | Joe Williams |
| CD | Here's to Life |
| Copyright Date | 1994 |
| Label | Telarc International Corporation |
| ID | CD-83357 |
| Track Time | 3:58 |
| Personnel | Joe Williams, vocal -The Robert Farnon [39 piece] Orchestra |
| Notes | This CD is also available as part of a 3-CD package from -Telarc, "Triple Play" (CD-83461) |
| ADO Rating | black dot |
| AMG Rating | 2 stars |
| Penguin Rating | 3 stars |
| Artist | Charles Fambrough |
| CD | Keeper of the Spirit |
| Copyright Date | 1995 |
| Label | AudioQuest Music |
| ID | AQ-CD1033 |
| Track Time | 7:07 |
| Personnel | Charles Fambrough, bass;
+Lewis Nash, drums.
+ADO ★⯪,
+AMG
+★★★, Penguin ★★★.
+
+ |
| ADO Rating | 2 stars |
| AMG Rating | unrated |
| Penguin Rating | 3 stars |
Also of note:
-| Artist | Holly Cole Trio |
| CD | Blame It On My Youth |
| Copyright Date | 1992 |
| Label | Manhattan |
| ID | CDP 7 97349 2 |
| Total Time | 37:45 |
| Personnel | Holly Cole, voice;
+Marion Simon, percussion.
+ADO ★,
+AMG
+unrated, Penguin ★★★.
+
+
+ |
| Notes | Lyrical reference to "Eastern Standard Time" in -Tom Waits' "Purple Avenue" |
| ADO Rating | 2.5 stars |
| AMG Rating | 3 stars |
| Penguin Rating | unrated |
| Artist | Milt Hinton |
| CD | Old Man Time |
| Copyright Date | 1990 |
| Label | Chiaroscuro |
| ID | CR(D) 310 |
| Total Time | 149:38 (two CDs) |
| Personnel | Milt Hinton, bass;
+David Piltch, string bass.
+Lyrical reference to "Eastern Standard Time" in
+Tom Waits's "Purple Avenue".
+ADO ★★⯪,
+AMG
+★★★, Penguin unrated.
+
+Musicdrums; Lionel Hampton, vibraphone; Cab Calloway, Joe Williams, vocal; -Buck Clayton, arrangements |
| Notes | tunes include Old Man Time, Time After Time, -Sometimes I'm Happy, -A Hot Time in the Old Town Tonight, -Four or Five Times, Now's the Time, -Time on My Hands, This Time It's Us, -and Good Time Charlie. -Album info -is available. |
| ADO Rating | 3 stars |
| AMG Rating | 4.5 stars |
| Penguin Rating | 3 stars |
| Artist | Alan Broadbent |
| CD | Pacific Standard Time |
| Copyright Date | 1995 |
| Label | Concord Jazz, Inc. |
| ID | CCD-4664 |
| Total Time | 62:42 |
| Personnel | Alan Broadbent, piano;
+Buck Clayton, arrangements.
+Tunes include "Old Man Time", "Time After Time",
+"Sometimes I'm Happy",
+"A Hot Time in the Old Town Tonight",
+"Four or Five Times", "Now's the Time",
+"Time on My Hands", "This Time It's Us",
+and "Good Time Charlie".
+ADO ★★★,
+AMG
+★★★★⯪, Penguin ★★★.
+
+ |
| Notes | The CD cover features an analemma for equation-of-time fans |
| ADO Rating | 1 star |
| AMG Rating | 4 stars |
| Penguin Rating | 3.5 stars |
| Artist | Anthony Braxton/Richard Teitelbaum |
| CD | Silence/Time Zones |
| Copyright Date | 1996 |
| Label | Black Lion |
| ID | BLCD 760221 |
| Total Time | 72:58 |
| Personnel | Anthony Braxton, sopranino and alto saxophones,
+Frank Gibson, Jr., drums.
+The CD cover features an analemma for equation-of-time fans.
+ADO ★,
+AMG
+★★★★, Penguin ★★★⯪.
+
+ |
| ADO Rating | black dot |
| AMG Rating | 4 stars |
| Artist | Charles Gayle |
| CD | Time Zones |
| Copyright Date | 2006 |
| Label | Tompkins Square |
| ID | TSQ2839 |
| Total Time | 49:06 |
| Personnel | Charles Gayle, piano |
| ADO Rating | 1 star |
| AMG Rating | 4.5 stars |
| Artist | The Get Up Kids |
| CD | Eudora |
| Copyright Date | 2001 |
| Label | Vagrant |
| ID | 357 |
| Total Time | 65:12 |
| Notes | Includes the song "Central Standard Time." Thanks to Colin Bowern for this information. |
| AMG Rating | 2.5 stars |
| Artist | Coldplay |
| Song | Clocks |
| Copyright Date | 2003 |
| Label | Capitol Records |
| ID | 52608 |
| Total Time | 4:13 |
| Notes | Won the 2004 Record of the Year honor at the
+Richard Teitelbaum, modular moog and micromoog synthesizer.
+ADO •,
+AMG
+★★★★.
+
+ |
| Artist | Jaime Guevara |
| Song |
+ |
| Date | 1993 |
| Total Time | 3:04 |
| Notes | The song protested "Sixto Hour" in Ecuador +hora es" (1993), 3:04. +The song protested "Sixto Hour" in Ecuador (1992–3). Its lyrics include "Amanecía en mitad de la noche, los guaguas iban a clase sin sol" ("It was dawning in the middle of the night, the buses went to class without sun"). - |
| Artist | Irving Kahal and Harry Richman |
| Song | There Ought to be a Moonlight Saving Time |
| Copyright Date | 1931 | -
| Notes | This musical standard was a No. 1 hit for Guy Lombardo
+
+ |
| Artist | The Microscopic Septet |
| CD | Lobster Leaps In |
| Copyright Date | 2008 |
| Label | Cuneiform |
| ID | 272 |
| Total Time | 73:05 |
| Notes | Includes the song "Twilight Time Zone." |
| AMG Rating | 3.5 stars |
| ADO Rating | 2 stars |
| Artist | Bob Dylan |
| CD | The Times They Are a-Changin' |
| Copyright Date | 1964 |
| Label | Columbia |
| ID | CK-8905 |
| Total Time | 45:36 |
| AMG Rating | 4.5 stars |
| ADO Rating | 1.5 stars |
| Notes | The title song is also available on "Bob Dylan's Greatest Hits" and "The Essential Bob Dylan." |
| Artist | Luciana Souza |
| CD | Tide |
| Copyright Date | 2009 |
| Label | Universal Jazz France |
| ID | B0012688-02 |
| Total Time | 42:31 |
| AMG Rating | 3.5 stars |
| ADO Rating | 2.5 stars |
| Notes | Includes the song "Fire and Wood" with the lyric
+Supernaw.
+
+ |
| Artist | Ken Nordine |
| CD | You're Getting Better: The Word Jazz Dot Masters |
| Copyright Date | 2005 |
| Label | Geffen |
| ID | B0005171-02 |
| Total Time | 156:22 |
| ADO Rating | 1 star |
| AMG Rating | 4.5 stars |
| Notes | Includes the piece "What Time Is It" -("He knew what time it was everywhere...that counted"). |
| Artist | Chicago |
| CD | Chicago Transit Authority |
| Copyright Date | 1969 |
| Label | Columbia |
| ID | 64409 |
| Total Time | 1:16:20 |
| AMG Rating | 4 stars |
| Notes | Includes the song "Does Anybody Really Know What Time It Is?" |
| Artist | Emanuele Arciuli |
| Composer | William Duckworth |
| CD | The Time Curve Preludes |
| Copyright Date | 2023 |
| Label | Neuma |
| Total Time | 44:46 |
| Notes | The first work of postminimal music. Unlike minimalism, it does not assume that the listener has plenty of time. |
tz databaseTZ
environment variable to the location's full name,
e.g., TZ="America/New_York".
@@ -172,7 +172,7 @@ tz databaseversion" whose first (and currently only) line is the version.
Older releases are archived,
and are also available in an
Web sites using recent versions of the
tz compilerstz natively via the
-timeZone option of Intl.DateTimeFormat.
+timeZone option of Intl.DateTimeFormat.
This can be used as-is or with most of the following libraries,
-many of which also support runtimes lacking the timeZone option.
+many of which also support runtimes lacking the timeZone option.
Intl.DateTimeFormat
timezone polyfill
is freely available under a BSD-style license.tz compilersIntl API.
It is freely available under the MIT license.tz compilersTemporal
objects let programs access an abstract view of
tzdb data, and are designed to replace JavaScript's
-problematic Date objects when working with dates and times.
+problematic Date objectstz source into
Julia. It is freely available
@@ -620,6 +617,16 @@ posix_tz_db
+package contains Python code
+to generate CSV and JSON tables that map
+tz settings to POSIX.1-2017-like approximations.
+For example, it maps "Africa/Cairo"
+to "EET-2EEST,M4.5.5/0,M10.5.4/24",
+an approximation valid for Cairo timestamps from 2023 on.
+This can help porting to platforms that support only POSIX.1-2017.
+The package is freely available under the MIT license.tz-based time zone software
tzdb timezones include:
-