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@@ -27,19 +27,19 @@
 # This file is by no means authoritative; if you think you know better,
 # go ahead and edit the file (and please send any changes to
 # tz@iana.org for general use in the future).  For more, please see
 # the file CONTRIBUTING in the tz distribution.
 
-# From Paul Eggert (2015-08-08):
+# From Paul Eggert (2017-01-13):
 #
 # Unless otherwise specified, the source for data through 1990 is:
 # Thomas G. Shanks and Rique Pottenger, The International Atlas (6th edition),
 # San Diego: ACS Publications, Inc. (2003).
 # Unfortunately this book contains many errors and cites no sources.
 #
-# Gwillim Law writes that a good source
-# for recent time zone data is the International Air Transport
+# Many years ago Gwillim Law wrote that a good source
+# for time zone data was the International Air Transport
 # Association's Standard Schedules Information Manual (IATA SSIM),
 # published semiannually.  Law sent in several helpful summaries
 # of the IATA's data after 1990.  Except where otherwise noted,
 # IATA SSIM is the source for entries after 1990.
 #

@@ -56,41 +56,36 @@
 # (See the 'europe' file for a fuller citation.)
 #
 # A reliable and entertaining source about time zones is
 # Derek Howse, Greenwich time and longitude, Philip Wilson Publishers (1997).
 #
-# I invented the abbreviations marked '*' in the following table;
-# the rest are from earlier versions of this file, or from other sources.
-# Corrections are welcome!
+# The following alphabetic abbreviations appear in these tables:
 #            std  dst
 #            LMT        Local Mean Time
 #       2:00 EET  EEST  Eastern European Time
 #       2:00 IST  IDT   Israel
-#       3:00 AST  ADT   Arabia*
-#       3:30 IRST IRDT  Iran*
-#       4:00 GST        Gulf*
 #       5:30 IST        India
-#       7:00 ICT        Indochina, most times and locations*
 #       7:00 WIB        west Indonesia (Waktu Indonesia Barat)
 #       8:00 WITA       central Indonesia (Waktu Indonesia Tengah)
 #       8:00 CST        China
-#       8:00 IDT        Indochina, 1943-45, 1947-55, 1960-75 (some locations)*
-#       8:00 JWST       Western Standard Time (Japan, 1896/1937)*
-#       8:30 KST  KDT   Korea when at +0830*
-#       9:00 JCST       Central Standard Time (Japan, 1896/1937)
+#       8:30 KST  KDT   Korea when at +0830
 #       9:00 WIT        east Indonesia (Waktu Indonesia Timur)
 #       9:00 JST  JDT   Japan
 #       9:00 KST  KDT   Korea when at +09
 #       9:30 ACST       Australian Central Standard Time
+# Otherwise, these tables typically use numeric abbreviations like +03
+# and +0330 for integer hour and minute UTC offsets.  Although earlier
+# editions invented alphabetic time zone abbreviations for every
+# offset, this did not reflect common practice.
 #
 # See the 'europe' file for Russia and Turkey in Asia.
 
 # From Guy Harris:
 # Incorporates data for Singapore from Robert Elz' asia 1.1, as well as
 # additional information from Tom Yap, Sun Microsystems Intercontinental
 # Technical Support (including a page from the Official Airline Guide -
-# Worldwide Edition).  The names for time zones are guesses.
+# Worldwide Edition).
 
 ###############################################################################
 
 # These rules are stolen from the 'europe' file.
 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S

@@ -107,12 +102,12 @@
 Rule RussiaAsia 1996    2011    -       Oct     lastSun  2:00s  0       -
 
 # Afghanistan
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Kabul      4:36:48 -       LMT     1890
-                        4:00    -       AFT     1945
-                        4:30    -       AFT
+                        4:00    -       +04     1945
+                        4:30    -       +0430
 
 # Armenia
 # From Paul Eggert (2006-03-22):
 # Shanks & Pottenger have Yerevan switching to 3:00 (with Russian DST)
 # in spring 1991, then to 4:00 with no DST in fall 1995, then

@@ -251,50 +246,49 @@
 Rule    Dhaka   2009    only    -       Dec     31      24:00   0       -
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Dhaka      6:01:40 -       LMT     1890
                         5:53:20 -       HMT     1941 Oct    # Howrah Mean Time?
-                        6:30    -       BURT    1942 May 15 # Burma Time
-                        5:30    -       IST     1942 Sep
-                        6:30    -       BURT    1951 Sep 30
-                        6:00    -       DACT    1971 Mar 26 # Dacca Time
-                        6:00    -       BDT     2009
-                        6:00    Dhaka   BD%sT
+                        6:30    -       +0630   1942 May 15
+                        5:30    -       +0530   1942 Sep
+                        6:30    -       +0630   1951 Sep 30
+                        6:00    -       +06     2009
+                        6:00    Dhaka   +06/+07
 
 # Bhutan
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Thimphu    5:58:36 -       LMT     1947 Aug 15 # or Thimbu
-                        5:30    -       IST     1987 Oct
-                        6:00    -       BTT     # Bhutan Time
+                        5:30    -       +0530   1987 Oct
+                        6:00    -       +06
 
 # British Indian Ocean Territory
 # Whitman and the 1995 CIA time zone map say 5:00, but the
 # 1997 and later maps say 6:00.  Assume the switch occurred in 1996.
 # We have no information as to when standard time was introduced;
 # assume it occurred in 1907, the same year as Mauritius (which
 # then contained the Chagos Archipelago).
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Indian/Chagos   4:49:40 -       LMT     1907
-                        5:00    -       IOT     1996 # BIOT Time
-                        6:00    -       IOT
+                        5:00    -       +05     1996
+                        6:00    -       +06
 
 # Brunei
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Brunei     7:39:40 -       LMT     1926 Mar # Bandar Seri Begawan
-                        7:30    -       BNT     1933
-                        8:00    -       BNT
+                        7:30    -       +0730   1933
+                        8:00    -       +08
 
 # Burma / Myanmar
 
 # Milne says 6:24:40 was the meridian of the time ball observatory at Rangoon.
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Yangon     6:24:40 -       LMT     1880        # or Rangoon
                         6:24:40 -       RMT     1920        # Rangoon Mean Time?
-                        6:30    -       BURT    1942 May    # Burma Time
-                        9:00    -       JST     1945 May  3
-                        6:30    -       MMT     # Myanmar Time
+                        6:30    -       +0630   1942 May
+                        9:00    -       +09     1945 May  3
+                        6:30    -       +0630
 
 # Cambodia
 # See Asia/Bangkok.
 
 

@@ -353,11 +347,11 @@
 # therefore supposed to be GMT+7, Xizang region being GMT+6, but Dege
 # county is GMT+8 according to astro.com while Baiyu county is GMT+6
 # (could be true), for the moment I am assuming that those two
 # counties are mistakes in the astro.com data.
 
-# From Paul Eggert (2014-06-30):
+# From Paul Eggert (2017-01-05):
 # Alois Treindl kindly sent me translations of the following two sources:
 #
 # (1)
 # Guo Qingsheng (National Time-Service Center, CAS, Xi'an 710600, China)
 # Beijing Time at the Beginning of the PRC

@@ -411,43 +405,41 @@
 # Asia/Urumqi, with the others being links for backward compatibility.
 # Proposed in 1918 and theoretically in effect until 1949 (although in practice
 # mainly observed in coastal areas), the five zones were:
 #
 # Changbai Time ("Long-white Time", Long-white = Heilongjiang area) UT +08:30
-# Asia/Harbin (currently a link to Asia/Shanghai)
+# Now part of Asia/Shanghai; its pre-1970 times are not recorded here.
 # Heilongjiang (except Mohe county), Jilin
 #
 # Zhongyuan Time ("Central plain Time") UT +08
-# Asia/Shanghai
+# Now part of Asia/Shanghai.
 # most of China
-# This currently represents most other zones as well,
-# as apparently these regions have been the same since 1970.
 # Milne gives 8:05:43.2 for Xujiahui Observatory time; round to nearest.
 # Guo says Shanghai switched to UT +08 "from the end of the 19th century".
 #
-# Long-shu Time (probably due to Long and Shu being two names of the area) UT +07
-# Asia/Chongqing (currently a link to Asia/Shanghai)
+# Long-shu Time (probably as Long and Shu were two names of the area) UT +07
+# Now part of Asia/Shanghai; its pre-1970 times are not recorded here.
 # Guangxi, Guizhou, Hainan, Ningxia, Sichuan, Shaanxi, and Yunnan;
-# most of Gansu; west Inner Mongolia; west Qinghai; and the Guangdong
+# most of Gansu; west Inner Mongolia; east Qinghai; and the Guangdong
 # counties Deqing, Enping, Kaiping, Luoding, Taishan, Xinxing,
 # Yangchun, Yangjiang, Yu'nan, and Yunfu.
 #
 # Xin-zang Time ("Xinjiang-Tibet Time") UT +06
-# Asia/Urumqi
-# This currently represents Kunlun Time as well,
-# as apparently the two regions have been the same since 1970.
+# This region is now part of either Asia/Urumqi or Asia/Shanghai with
+# current boundaries uncertain; times before 1970 for areas that
+# disagree with Ürümqi or Shanghai are not recorded here.
 # The Gansu counties Aksay, Anxi, Dunhuang, Subei; west Qinghai;
 # the Guangdong counties  Xuwen, Haikang, Suixi, Lianjiang,
 # Zhanjiang, Wuchuan, Huazhou, Gaozhou, Maoming, Dianbai, and Xinyi;
 # east Tibet, including Lhasa, Chamdo, Shigaise, Jimsar, Shawan and Hutubi;
 # east Xinjiang, including Ürümqi, Turpan, Karamay, Korla, Minfeng, Jinghe,
 # Wusu, Qiemo, Xinyan, Wulanwusu, Jinghe, Yumin, Tacheng, Tuoli, Emin,
 # Shihezi, Changji, Yanqi, Heshuo, Tuokexun, Tulufan, Shanshan, Hami,
 # Fukang, Kuitun, Kumukuli, Miquan, Qitai, and Turfan.
 #
 # Kunlun Time UT +05:30
-# Asia/Kashgar (currently a link to Asia/Urumqi)
+# This region is now in the same status as Xin-zang Time (see above).
 # West Tibet, including Pulan, Aheqi, Shufu, Shule;
 # West Xinjiang, including Aksu, Atushi, Yining, Hetian, Cele, Luopu, Nileke,
 # Zhaosu, Tekesi, Gongliu, Chabuchaer, Huocheng, Bole, Pishan, Suiding,
 # and Yarkand.
 

@@ -544,11 +536,11 @@
                         8:00    Shang   C%sT    1949
                         8:00    PRC     C%sT
 # Xinjiang time, used by many in western China; represented by Ürümqi / Ürümchi
 # / Wulumuqi.  (Please use Asia/Shanghai if you prefer Beijing time.)
 Zone    Asia/Urumqi     5:50:20 -       LMT     1928
-                        6:00    -       XJT
+                        6:00    -       +06
 
 
 # Hong Kong (Xianggang)
 
 # Milne gives 7:36:41.7; round this.

@@ -763,34 +755,33 @@
 Rule    Taiwan  1979    only    -       Oct     1       0:00    0       S
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 # Taipei or Taibei or T'ai-pei
 Zone    Asia/Taipei     8:06:00 -       LMT     1896 Jan  1
-                        8:00    -       JWST    1937 Oct  1
+                        8:00    -       CST     1937 Oct  1
                         9:00    -       JST     1945 Sep 21  1:00
                         8:00    Taiwan  C%sT
 
 # Macau (Macao, Aomen)
 # Rule  NAME    FROM    TO      TYPE    IN      ON      AT      SAVE    LETTER/S
-Rule    Macau   1961    1962    -       Mar     Sun>=16 3:30    1:00    S
-Rule    Macau   1961    1964    -       Nov     Sun>=1  3:30    0       -
-Rule    Macau   1963    only    -       Mar     Sun>=16 0:00    1:00    S
-Rule    Macau   1964    only    -       Mar     Sun>=16 3:30    1:00    S
-Rule    Macau   1965    only    -       Mar     Sun>=16 0:00    1:00    S
-Rule    Macau   1965    only    -       Oct     31      0:00    0       -
-Rule    Macau   1966    1971    -       Apr     Sun>=16 3:30    1:00    S
-Rule    Macau   1966    1971    -       Oct     Sun>=16 3:30    0       -
-Rule    Macau   1972    1974    -       Apr     Sun>=15 0:00    1:00    S
-Rule    Macau   1972    1973    -       Oct     Sun>=15 0:00    0       -
-Rule    Macau   1974    1977    -       Oct     Sun>=15 3:30    0       -
-Rule    Macau   1975    1977    -       Apr     Sun>=15 3:30    1:00    S
-Rule    Macau   1978    1980    -       Apr     Sun>=15 0:00    1:00    S
-Rule    Macau   1978    1980    -       Oct     Sun>=15 0:00    0       -
+Rule    Macau   1961    1962    -       Mar     Sun>=16 3:30    1:00    D
+Rule    Macau   1961    1964    -       Nov     Sun>=1  3:30    0       S
+Rule    Macau   1963    only    -       Mar     Sun>=16 0:00    1:00    D
+Rule    Macau   1964    only    -       Mar     Sun>=16 3:30    1:00    D
+Rule    Macau   1965    only    -       Mar     Sun>=16 0:00    1:00    D
+Rule    Macau   1965    only    -       Oct     31      0:00    0       S
+Rule    Macau   1966    1971    -       Apr     Sun>=16 3:30    1:00    D
+Rule    Macau   1966    1971    -       Oct     Sun>=16 3:30    0       S
+Rule    Macau   1972    1974    -       Apr     Sun>=15 0:00    1:00    D
+Rule    Macau   1972    1973    -       Oct     Sun>=15 0:00    0       S
+Rule    Macau   1974    1977    -       Oct     Sun>=15 3:30    0       S
+Rule    Macau   1975    1977    -       Apr     Sun>=15 3:30    1:00    D
+Rule    Macau   1978    1980    -       Apr     Sun>=15 0:00    1:00    D
+Rule    Macau   1978    1980    -       Oct     Sun>=15 0:00    0       S
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Macau      7:34:20 -       LMT     1912 Jan  1
-                        8:00    Macau   MO%sT   1999 Dec 20 # return to China
-                        8:00    PRC     C%sT
+                        8:00    Macau   C%sT
 
 
 ###############################################################################
 
 # Cyprus

@@ -902,15 +893,14 @@
 # which will be permanent, with no seasonal adjustment, will happen at
 # midnight on Saturday, September 16.
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Dili       8:22:20 -       LMT     1912 Jan  1
-                        8:00    -       TLT     1942 Feb 21 23:00 # E Timor Time
-                        9:00    -       JST     1945 Sep 23
-                        9:00    -       TLT     1976 May  3
-                        8:00    -       WITA    2000 Sep 17  0:00
-                        9:00    -       TLT
+                        8:00    -       +08     1942 Feb 21 23:00
+                        9:00    -       +09     1976 May  3
+                        8:00    -       +08     2000 Sep 17  0:00
+                        9:00    -       +09
 
 # India
 
 # From Ian P. Beacock, in "A brief history of (modern) time", The Atlantic
 # http://www.theatlantic.com/technology/archive/2015/12/the-creation-of-modern-time/421419/

@@ -921,13 +911,13 @@
 # dispute the "Battle of the Clocks."  It lasted nearly half a century.
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Kolkata    5:53:28 -       LMT     1880        # Kolkata
                         5:53:20 -       HMT     1941 Oct    # Howrah Mean Time?
-                        6:30    -       BURT    1942 May 15 # Burma Time
+                        6:30    -       +0630   1942 May 15
                         5:30    -       IST     1942 Sep
-                        5:30    1:00    IST     1945 Oct 15
+                        5:30    1:00    +0630   1945 Oct 15
                         5:30    -       IST
 # The following are like Asia/Kolkata:
 #       Andaman Is
 #       Lakshadweep (Laccadive, Minicoy and Amindivi Is)
 #       Nicobar Is

@@ -974,37 +964,37 @@
 # Java, Sumatra
 Zone Asia/Jakarta       7:07:12 -       LMT     1867 Aug 10
 # Shanks & Pottenger say the next transition was at 1924 Jan 1 0:13,
 # but this must be a typo.
                         7:07:12 -       BMT     1923 Dec 31 23:47:12 # Batavia
-                        7:20    -       JAVT    1932 Nov    # Java Time
-                        7:30    -       WIB     1942 Mar 23
-                        9:00    -       JST     1945 Sep 23
-                        7:30    -       WIB     1948 May
-                        8:00    -       WIB     1950 May
-                        7:30    -       WIB     1964
+                        7:20    -       +0720   1932 Nov
+                        7:30    -       +0730   1942 Mar 23
+                        9:00    -       +09     1945 Sep 23
+                        7:30    -       +0730   1948 May
+                        8:00    -       +08     1950 May
+                        7:30    -       +0730   1964
                         7:00    -       WIB
 # west and central Borneo
 Zone Asia/Pontianak     7:17:20 -       LMT     1908 May
                         7:17:20 -       PMT     1932 Nov    # Pontianak MT
-                        7:30    -       WIB     1942 Jan 29
-                        9:00    -       JST     1945 Sep 23
-                        7:30    -       WIB     1948 May
-                        8:00    -       WIB     1950 May
-                        7:30    -       WIB     1964
+                        7:30    -       +0730   1942 Jan 29
+                        9:00    -       +09     1945 Sep 23
+                        7:30    -       +0730   1948 May
+                        8:00    -       +08     1950 May
+                        7:30    -       +0730   1964
                         8:00    -       WITA    1988 Jan  1
                         7:00    -       WIB
 # Sulawesi, Lesser Sundas, east and south Borneo
 Zone Asia/Makassar      7:57:36 -       LMT     1920
                         7:57:36 -       MMT     1932 Nov    # Macassar MT
-                        8:00    -       WITA    1942 Feb  9
-                        9:00    -       JST     1945 Sep 23
+                        8:00    -       +08     1942 Feb  9
+                        9:00    -       +09     1945 Sep 23
                         8:00    -       WITA
 # Maluku Islands, West Papua, Papua
 Zone Asia/Jayapura      9:22:48 -       LMT     1932 Nov
-                        9:00    -       WIT     1944 Sep  1
-                        9:30    -       ACST    1964
+                        9:00    -       +09     1944 Sep  1
+                        9:30    -       +0930   1964
                         9:00    -       WIT
 
 # Iran
 
 # From Roozbeh Pournader (2003-03-15):

@@ -1032,12 +1022,10 @@
 #
 # From personal experience, that agrees with what has been followed
 # for at least the last 5 years.  Before that, for a few years, the
 # date used was the first Thursday night of Farvardin and the last
 # Thursday night of Shahrivar, but I can't give exact dates....
-# I have also changed the abbreviations to what is considered correct
-# here in Iran, IRST for regular time and IRDT for daylight saving time.
 #
 # From Roozbeh Pournader (2005-04-05):
 # The text of the Iranian law, in effect since 1925, clearly mentions
 # that the true solar year is the measure, and there is no arithmetic
 # leap year calculation involved.  There has never been any serious

@@ -1140,13 +1128,13 @@
 Rule    Iran    2036    max     -       Sep     21      0:00    0       S
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Tehran     3:25:44 -       LMT     1916
                         3:25:44 -       TMT     1946     # Tehran Mean Time
-                        3:30    -       IRST    1977 Nov
-                        4:00    Iran    IR%sT   1979
-                        3:30    Iran    IR%sT
+                        3:30    -       +0330   1977 Nov
+                        4:00    Iran    +04/+05 1979
+                        3:30    Iran    +0330/+0430
 
 
 # Iraq
 #
 # From Jonathan Lennox (2000-06-12):

@@ -1185,12 +1173,12 @@
 Rule    Iraq    1991    2007    -       Apr      1      3:00s   1:00    D
 Rule    Iraq    1991    2007    -       Oct      1      3:00s   0       S
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Baghdad    2:57:40 -       LMT     1890
                         2:57:36 -       BMT     1918     # Baghdad Mean Time?
-                        3:00    -       AST     1982 May
-                        3:00    Iraq    A%sT
+                        3:00    -       +03     1982 May
+                        3:00    Iraq    +03/+04
 
 
 ###############################################################################
 
 # Israel

@@ -1485,12 +1473,10 @@
 # Central Time (UTC+9). The adoption began on Oct 1, 1937.
 # http://ja.wikisource.org/wiki/明治二十八年勅令第百六十七號標準時ニ關スル件中改正ノ件
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Tokyo      9:18:59 -       LMT     1887 Dec 31 15:00u
-                        9:00    -       JST     1896 Jan  1
-                        9:00    -       JCST    1937 Oct  1
                         9:00    Japan   J%sT
 # Since 1938, all Japanese possessions have been like Asia/Tokyo.
 
 # Jordan
 #

@@ -1762,11 +1748,27 @@
 # Unamended version of the act of the Government of the Russian Federation
 # No. 23 from 1992-01-08 [See 'europe' file for details].
 # Kazakh 1992-01-13 act appears to provide the same rules and 1992-03-27
 # act was to be enacted on the last Sunday of March 1992.
 
-# From Paul Eggert (2016-11-07):
+# From Stepan Golosunov (2016-11-08):
+# Turgai reorganization should affect only southern part of Qostanay
+# oblast.  Which should probably be separated into Asia/Arkalyk zone.
+# (There were also 1970, 1988 and 1990 Turgai oblast reorganizations
+# according to wikipedia.)
+#
+# [For Qostanay] http://www.ng.kz/gazeta/195/hranit/
+# suggests that clocks were to be moved 40 minutes backwards on
+# 1920-01-01 to the fourth time belt.  But I do not understand
+# how that could happen....
+#
+# [For Atyrau and Oral] 1919 decree
+# (http://www.worldtimezone.com/dst_news/dst_news_russia-1919-02-08.html
+# and in Byalokoz) lists Ural river (plus 10 versts on its left bank) in
+# the third time belt (before 1930 this means +03).
+
+# From Paul Eggert (2016-12-06):
 # The tables below reflect Golosunov's remarks, with exceptions as noted.
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 #
 # Almaty (formerly Alma-Ata), representing most locations in Kazakhstan

@@ -1792,11 +1794,11 @@
                         6:00 RussiaAsia +06/+07 1992 Mar 29  2:00s
                         5:00 RussiaAsia +05/+06 2004 Oct 31  2:00s
                         6:00    -       +06
 # The following zone is like Asia/Qyzylorda except for being one
 # hour earlier from 1991-09-29 to 1992-03-29.  The 1991/2 rules for
-# Qostenay are unclear partly because of the 1997 Turgai
+# Qostanay are unclear partly because of the 1997 Turgai
 # reorganization, so this zone is commented out for now.
 #Zone   Asia/Qostanay   4:14:20 -       LMT     1924 May  2
 #                       4:00    -       +04     1930 Jun 21
 #                       5:00    -       +05     1981 Apr  1
 #                       5:00    1:00    +06     1981 Oct  1

@@ -1829,11 +1831,11 @@
                         4:00 RussiaAsia +04/+05 2004 Oct 31  2:00s
                         5:00    -       +05
 # Atyraū (KZ-ATY) is like Mangghystaū except it switched from
 # +04/+05 to +05/+06 in spring 1999, not fall 1994.
 Zone    Asia/Atyrau     3:27:44 -       LMT     1924 May  2
-                        4:00    -       +04     1930 Jun 21
+                        3:00    -       +03     1930 Jun 21
                         5:00    -       +05     1981 Oct  1
                         6:00    -       +06     1982 Apr  1
                         5:00 RussiaAsia +05/+06 1991 Mar 31  2:00s
                         4:00 RussiaAsia +04/+05 1992 Jan 19  2:00s
                         5:00 RussiaAsia +05/+06 1999 Mar 28  2:00s

@@ -1841,11 +1843,11 @@
                         5:00    -       +05
 # West Kazakhstan (KZ-ZAP)
 # From Paul Eggert (2016-03-18):
 # The 1989 transition is from USSR act No. 227 (1989-03-14).
 Zone    Asia/Oral       3:25:24 -       LMT     1924 May  2 # or Ural'sk
-                        4:00    -       +04     1930 Jun 21
+                        3:00    -       +03     1930 Jun 21
                         5:00    -       +05     1981 Apr  1
                         5:00    1:00    +06     1981 Oct  1
                         6:00    -       +06     1982 Apr  1
                         5:00 RussiaAsia +05/+06 1989 Mar 26  2:00s
                         4:00 RussiaAsia +04/+05 1992 Jan 19  2:00s

@@ -1947,18 +1949,16 @@
 # Use KST, as that's what we already use for 1954-1961 in ROK.
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Seoul      8:27:52 -       LMT     1908 Apr  1
                         8:30    -       KST     1912 Jan  1
-                        9:00    -       JCST    1937 Oct  1
                         9:00    -       JST     1945 Sep  8
                         9:00    -       KST     1954 Mar 21
                         8:30    ROK     K%sT    1961 Aug 10
                         9:00    ROK     K%sT
 Zone    Asia/Pyongyang  8:23:00 -       LMT     1908 Apr  1
                         8:30    -       KST     1912 Jan  1
-                        9:00    -       JCST    1937 Oct  1
                         9:00    -       JST     1945 Aug 24
                         9:00    -       KST     2015 Aug 15 00:00
                         8:30    -       KST
 
 ###############################################################################

@@ -2009,34 +2009,33 @@
 # taken from Mok Ly Yng (2003-10-30)
 # http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone Asia/Kuala_Lumpur  6:46:46 -       LMT     1901 Jan  1
                         6:55:25 -       SMT     1905 Jun  1 # Singapore M.T.
-                        7:00    -       MALT    1933 Jan  1 # Malaya Time
-                        7:00    0:20    MALST   1936 Jan  1
-                        7:20    -       MALT    1941 Sep  1
-                        7:30    -       MALT    1942 Feb 16
-                        9:00    -       JST     1945 Sep 12
-                        7:30    -       MALT    1982 Jan  1
-                        8:00    -       MYT     # Malaysia Time
+                        7:00    -       +07     1933 Jan  1
+                        7:00    0:20    +0720   1936 Jan  1
+                        7:20    -       +0720   1941 Sep  1
+                        7:30    -       +0730   1942 Feb 16
+                        9:00    -       +09     1945 Sep 12
+                        7:30    -       +0730   1982 Jan  1
+                        8:00    -       +08
 # Sabah & Sarawak
 # From Paul Eggert (2014-08-12):
 # The data entries here are mostly from Shanks & Pottenger, but the 1942, 1945
 # and 1982 transition dates are from Mok Ly Yng.
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone Asia/Kuching       7:21:20 -       LMT     1926 Mar
-                        7:30    -       BORT    1933        # Borneo Time
-                        8:00    NBorneo BOR%sT  1942 Feb 16
-                        9:00    -       JST     1945 Sep 12
-                        8:00    -       BORT    1982 Jan  1
-                        8:00    -       MYT
+                        7:30    -       +0730   1933
+                        8:00 NBorneo  +08/+0820 1942 Feb 16
+                        9:00    -       +09     1945 Sep 12
+                        8:00    -       +08
 
 # Maldives
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Indian/Maldives 4:54:00 -       LMT     1880 # Male
                         4:54:00 -       MMT     1960 # Male Mean Time
-                        5:00    -       MVT     # Maldives Time
+                        5:00    -       +05
 
 # Mongolia
 
 # Shanks & Pottenger say that Mongolia has three time zones, but
 # The USNO (1995-12-21) and the CIA map Standard Time Zones of the World

@@ -2159,41 +2158,45 @@
 # at 02:00 standard time, not at 00:00 local time as in the rest of
 # the country.  That would be odd, and possibly is a result of their
 # correction of 02:00 (in the previous edition) not being done correctly
 # in the latest edition; so ignore it for now.
 
+# From Ganbold Tsagaankhuu (2017-02-09):
+# Mongolian Government meeting has concluded today to cancel daylight
+# saving time adoption in Mongolia.  Source: http://zasag.mn/news/view/16192
+
 Rule    Mongol  1985    1998    -       Mar     lastSun 0:00    1:00    S
 Rule    Mongol  1984    1998    -       Sep     lastSun 0:00    0       -
 # IATA SSIM (1999-09) says Mongolia no longer observes DST.
 Rule    Mongol  2001    only    -       Apr     lastSat 2:00    1:00    S
 Rule    Mongol  2001    2006    -       Sep     lastSat 2:00    0       -
 Rule    Mongol  2002    2006    -       Mar     lastSat 2:00    1:00    S
-Rule    Mongol  2015    max     -       Mar     lastSat 2:00    1:00    S
-Rule    Mongol  2015    max     -       Sep     lastSat 0:00    0       -
+Rule    Mongol  2015    2016    -       Mar     lastSat 2:00    1:00    S
+Rule    Mongol  2015    2016    -       Sep     lastSat 0:00    0       -
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 # Hovd, a.k.a. Chovd, Dund-Us, Dzhargalant, Khovd, Jirgalanta
 Zone    Asia/Hovd       6:06:36 -       LMT     1905 Aug
-                        6:00    -       HOVT    1978     # Hovd Time
-                        7:00    Mongol  HOV%sT
+                        6:00    -       +06     1978
+                        7:00    Mongol  +07/+08
 # Ulaanbaatar, a.k.a. Ulan Bataar, Ulan Bator, Urga
 Zone    Asia/Ulaanbaatar 7:07:32 -      LMT     1905 Aug
-                        7:00    -       ULAT    1978     # Ulaanbaatar Time
-                        8:00    Mongol  ULA%sT
+                        7:00    -       +07     1978
+                        8:00    Mongol  +08/+09
 # Choibalsan, a.k.a. Bajan Tümen, Bajan Tumen, Chojbalsan,
 # Choybalsan, Sanbejse, Tchoibalsan
 Zone    Asia/Choibalsan 7:38:00 -       LMT     1905 Aug
-                        7:00    -       ULAT    1978
-                        8:00    -       ULAT    1983 Apr
-                        9:00    Mongol  CHO%sT  2008 Mar 31 # Choibalsan Time
-                        8:00    Mongol  CHO%sT
+                        7:00    -       +07     1978
+                        8:00    -       +08     1983 Apr
+                        9:00    Mongol  +09/+10 2008 Mar 31
+                        8:00    Mongol  +08/+09
 
 # Nepal
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Kathmandu  5:41:16 -       LMT     1920
-                        5:30    -       IST     1986
-                        5:45    -       NPT     # Nepal Time
+                        5:30    -       +0530   1986
+                        5:45    -       +0545
 
 # Oman
 # See Asia/Dubai.
 
 # Pakistan

@@ -2338,14 +2341,14 @@
 Rule Pakistan   2008    2009    -       Nov     1       0:00    0       -
 Rule Pakistan   2009    only    -       Apr     15      0:00    1:00    S
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Karachi    4:28:12 -       LMT     1907
-                        5:30    -       IST     1942 Sep
-                        5:30    1:00    IST     1945 Oct 15
-                        5:30    -       IST     1951 Sep 30
-                        5:00    -       KART    1971 Mar 26 # Karachi Time
+                        5:30    -       +0530   1942 Sep
+                        5:30    1:00    +0630   1945 Oct 15
+                        5:30    -       +0530   1951 Sep 30
+                        5:00    -       +05     1971 Mar 26
                         5:00 Pakistan   PK%sT   # Pakistan Time
 
 # Palestine
 
 # From Amos Shapir (1998-02-15):

@@ -2706,19 +2709,19 @@
 Rule    Phil    1978    only    -       Mar     22      0:00    1:00    S
 Rule    Phil    1978    only    -       Sep     21      0:00    0       -
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Manila     -15:56:00 -     LMT     1844 Dec 31
                         8:04:00 -       LMT     1899 May 11
-                        8:00    Phil    PH%sT   1942 May
-                        9:00    -       JST     1944 Nov
-                        8:00    Phil    PH%sT
+                        8:00    Phil    +08/+09 1942 May
+                        9:00    -       +09     1944 Nov
+                        8:00    Phil    +08/+09
 
 # Qatar
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Qatar      3:26:08 -       LMT     1920     # Al Dawhah / Doha
-                        4:00    -       GST     1972 Jun
-                        3:00    -       AST
+                        4:00    -       +04     1972 Jun
+                        3:00    -       +03
 Link Asia/Qatar Asia/Bahrain
 
 # Saudi Arabia
 #
 # From Paul Eggert (2014-07-15):

@@ -2741,28 +2744,27 @@
 # time zones; the other zone, at UT +04, was in the far eastern part of
 # the country.  Ignore this, as it's before our 1970 cutoff.
 #
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Riyadh     3:06:52 -       LMT     1947 Mar 14
-                        3:00    -       AST
+                        3:00    -       +03
 Link Asia/Riyadh Asia/Aden      # Yemen
 Link Asia/Riyadh Asia/Kuwait
 
 # Singapore
 # taken from Mok Ly Yng (2003-10-30)
 # http://www.math.nus.edu.sg/aslaksen/teaching/timezone.html
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Singapore  6:55:25 -       LMT     1901 Jan  1
                         6:55:25 -       SMT     1905 Jun  1 # Singapore M.T.
-                        7:00    -       MALT    1933 Jan  1 # Malaya Time
-                        7:00    0:20    MALST   1936 Jan  1
-                        7:20    -       MALT    1941 Sep  1
-                        7:30    -       MALT    1942 Feb 16
-                        9:00    -       JST     1945 Sep 12
-                        7:30    -       MALT    1965 Aug  9 # independence
-                        7:30    -       SGT     1982 Jan  1 # Singapore Time
-                        8:00    -       SGT
+                        7:00    -       +07     1933 Jan  1
+                        7:00    0:20    +0720   1936 Jan  1
+                        7:20    -       +0720   1941 Sep  1
+                        7:30    -       +0730   1942 Feb 16
+                        9:00    -       +09     1945 Sep 12
+                        7:30    -       +0730   1982 Jan  1
+                        8:00    -       +08
 
 # Spratly Is
 # no information
 
 # Sri Lanka

@@ -2817,12 +2819,12 @@
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Colombo    5:19:24 -       LMT     1880
                         5:19:32 -       MMT     1906        # Moratuwa Mean Time
                         5:30    -       +0530   1942 Jan  5
-                        5:30    0:30    +0530/+06 1942 Sep
-                        5:30    1:00    +0530/+0630 1945 Oct 16  2:00
+                        5:30    0:30    +06     1942 Sep
+                        5:30    1:00    +0630   1945 Oct 16  2:00
                         5:30    -       +0530   1996 May 25  0:00
                         6:30    -       +0630   1996 Oct 26  0:30
                         6:00    -       +06     2006 Apr 15  0:30
                         5:30    -       +0530
 

@@ -3000,11 +3002,11 @@
 
 # Thailand
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Bangkok    6:42:04 -       LMT     1880
                         6:42:04 -       BMT     1920 Apr # Bangkok Mean Time
-                        7:00    -       ICT
+                        7:00    -       +07
 Link Asia/Bangkok Asia/Phnom_Penh       # Cambodia
 Link Asia/Bangkok Asia/Vientiane        # Laos
 
 # Turkmenistan
 # From Shanks & Pottenger.

@@ -3016,11 +3018,11 @@
                         5:00    -       +05
 
 # United Arab Emirates
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone    Asia/Dubai      3:41:12 -       LMT     1920
-                        4:00    -       GST
+                        4:00    -       +04
 Link Asia/Dubai Asia/Muscat     # Oman
 
 # Uzbekistan
 # Byalokoz 1919 says Uzbekistan was 4:27:53.
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]

@@ -3089,17 +3091,17 @@
 # Lê Thành Lân: "Lịch hai thế kỷ (1802-2010) và các lịch vĩnh cửu",
 # NXB Thuận Hoá, Huế, 1995.
 
 # Zone  NAME            GMTOFF  RULES   FORMAT  [UNTIL]
 Zone Asia/Ho_Chi_Minh   7:06:40 -       LMT     1906 Jul  1
-                        7:06:30 -       PLMT    1911 May  1
-                        7:00    -       ICT     1942 Dec 31 23:00
-                        8:00    -       IDT     1945 Mar 14 23:00
-                        9:00    -       JST     1945 Sep  2
-                        7:00    -       ICT     1947 Apr  1
-                        8:00    -       IDT     1955 Jul  1
-                        7:00    -       ICT     1959 Dec 31 23:00
-                        8:00    -       IDT     1975 Jun 13
-                        7:00    -       ICT
+                        7:06:30 -       PLMT    1911 May  1 # Phù Liễn MT
+                        7:00    -       +07     1942 Dec 31 23:00
+                        8:00    -       +08     1945 Mar 14 23:00
+                        9:00    -       +09     1945 Sep  2
+                        7:00    -       +07     1947 Apr  1
+                        8:00    -       +08     1955 Jul  1
+                        7:00    -       +07     1959 Dec 31 23:00
+                        8:00    -       +08     1975 Jun 13
+                        7:00    -       +07
 
 # Yemen
 # See Asia/Riyadh.
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