[tz] [DRAFT] EU-related changes likely – here’s a heads-up
Jon Skeet
skeet at pobox.com
Sat Sep 15 08:35:39 UTC 2018
Have you considered adding this to GitHub, but in a separate branch? That
would make it easier to browse (at least for me) without any impact on the
master branch. The commit could indicate the highly experimental nature of
the change.
Jon
On Sat, 15 Sep 2018 at 09:32, Paul Eggert <eggert at cs.ucla.edu> wrote:
> This set of changes is so experimental that I have not installed it
> into the development repository. I am circulating it to give people a
> heads-up for the sort of tzdb changes that are likely to occur if the
> recent European Commission proposal becomes official.
> Comments are welcome; please send them to tz at iana.org.
> * NEWS: Mention this.
> * africa (Africa/Cairo, Africa/Tripoli, Africa/El_Aaiun)
> (Africa/Tunis):
> * asia (Asia/Amman, Asia/Beirut, Asia/Gaza, Asia/Hebron)
> (Asia/Damascus):
> * europe (Europe/Kaliningrad):
> Switch from "WET"/"CET"/"EET" to numeric offsets around
> 2019-03-31. This sort of thing is also done in the other
> entries noted below, which have other stuff going on too.
> * africa (Africa/Casablanca):
> * asia (Asia/Nicosia, Asia/Famagusta):
> * backzone (Europe/Ljubljana, Europe/Sarajevo, Europe/Skopje)
> (Europe/Vaduz, Europe/Zagreb):
> * europe (Europe/Tirane, Europe/Andorra, Europe/Vienna)
> (Europe/Brussels, Europe/Sofia, Europe/Prague, Europe/Copenhagen)
> (Atlantic/Faroe, America/Scoresbysund, America/Godthab)
> (Europe/Tallinn, Europe/Helsinki, Europe/Paris, Europe/Berlin)
> (Europe/Athens, Europe/Budapest, Europe/Rome, Europe/Riga)
> (Europe/Vilnius, Europe/Luxembourg, Europe/Malta, Europe/Monaco)
> (Europe/Amsterdam, Europe/Oslo, Europe/Lisbon, Atlantic/Azores)
> (Atlantic/Madeira, Europe/Bucharest, Europe/Belgrade, Europe/Madrid)
> (Africa/Ceuta, Atlantic/Canary, Europe/Stockholm, Europe/Zurich)
> (Europe/Kiev, Europe/Uzhgorod, Europe/Zaporozhye):
> Assume these locations will not exercise the draft directive’s
> option, and so will move their time zone one hour east.
> * asia (EUAsia, E-EurAsia): Stay in sync with EU and E-Eur rules
> in ‘europe’.
> * backzone (Europe/Belfast, Europe/Guernsey, Europe/Isle_of_Man):
> * europe (Europe/London, Europe/Gibraltar): Assume the UK, Crown
> dependencies and Gibraltar will roll along as before.
> * europe (UK): New rule.
> (Eire, EU, W-Eur, C-Eur): Stop DST in 2019.
> (Europe/Dublin): Switch to plain IST (a standard time) in 2019.
> (America/Danmarkshavn): Use numeric abbreviation for consistency
> with other locations in Greenland.
> * zic.8: Adjust example to match new data.
> * ziguard.awk (Zone_Dublin_post_1968): No longer a need for
> special treatment for last line of Dublin zone.
> ---
> NEWS | 55 +++++++++++++++++++
> africa | 36 ++++++------
> asia | 31 +++++++----
> backzone | 27 ++++++---
> europe | 154 ++++++++++++++++++++++++++++++++++------------------
> zic.8 | 19 +++++--
> ziguard.awk | 2 +-
> 7 files changed, 223 insertions(+), 101 deletions(-)
>
> diff --git a/NEWS b/NEWS
> index 99040dc..ba0772b 100644
> --- a/NEWS
> +++ b/NEWS
> @@ -8,6 +8,61 @@ Unreleased, experimental changes
>
> Changes to future timestamps
>
> + The European Commission has proposed to end DST in March 2019. See:
> +
> https://ec.europa.eu/commission/priorities/state-union-speeches/state-union-2018/state-union-2018-ending-seasonal-clock-changes_en
> + Under this proposal, EU member states will advance their clocks by
> + an hour at 2019-03-31 01:00 UTC as usual, and will have the option
> + to move their clocks back an hour at 2019-10-27 01:00 UTC; member
> + states must announce by 2019-03-31 whether they are taking the
> + option. After 2019-10-27 no seasonal changes will be permitted;
> + member states can make one-off changes but must give six months'
> + notice. (Thanks to Even Scharning for the URL and for Clive
> + D.W. Feather for summarizing the proposal.) For now, make the
> + following guesses about how this proposal will play out (and
> + please remember that these are just guesses, some of which will
> + surely be wrong):
> +
> + * The European Parliament and the Council will approve the proposal.
> +
> + * No member state will exercise the option of moving clocks back
> + on 2019-10-27.
> +
> + * Every member state but Ireland will therefore make its last
> + transition by advancing standard time by an hour (i.e., moving
> + east by one time zone) on 2019-03-31.
> +
> + * Ireland's usual transition from winter to standard time on
> + 2019-03-31 will be its last transition.
> +
> + * The following nearby countries that use EU or near-EU rules
> + will also stop using DST and move east one time zone:
> + Albania, Andorra, Bosnia & Herzegovina, Bulgaria, Croatia, the
> + Czech Republic, the Faroes, most of Greenland, Liechtenstein,
> + (Northern) Macedonia, Moldova, Monaco, Montenegro, Morocco,
> + Norway, Romania, San Marino, Serbia, Switzerland, Ukraine,
> + Vatican City, and Western Sahara.
> +
> + * Brexit will occur at 2019-03-29 23:00 UTC, and DST will continue
> + to be observed in the UK, the Crown dependencies and Gibraltar.
> +
> + * Akrotiri and Dhekelia (which do not have separate tzdb entries)
> + will continue to track Nicosia.
> +
> + * Use numeric offsets for abbreviations in the new zones, as it is
> + too early to know what English-language abbreviations (if any)
> + will be used. For example, if Spain stays at +02 all year, it's
> + not clear whether people will call its time "Eastern European
> + Time" (a geographic misnomer) or some other name. Although
> + eventually we should be consistent about time zone abbreviations
> + used for past and modern timestamps, for now let's leave the
> + abbreviations alone for timestamps before 2019-03-31.
> +
> + * However, the backward-compatibility zones WET, CET, MET, and EET
> + will keep their UTC offsets and traditional abbreviations, and
> + will observe DST as before in 2019 and will stay on standard
> + time thereafter, so that they can remain fallbacks for
> + traditionalists.
> +
> Fiji ends DST 2019-01-13 instead of the 2019-01-20 previously
> predicted. (Thanks to Raymond Kumar.) Adjust future predictions
> accordingly.
> diff --git a/africa b/africa
> index 555052b..9013b30 100644
> --- a/africa
> +++ b/africa
> @@ -99,7 +99,8 @@ Zone Africa/Algiers 0:12:12 - LMT 1891 Mar
> 15 0:01
> 0:00 Algeria WE%sT 1977 Oct 21
> 1:00 Algeria CE%sT 1979 Oct 26
> 0:00 Algeria WE%sT 1981 May
> - 1:00 - CET
> + 1:00 - CET 2019 Mar 31 1:00u
> + 1:00 - +01
>
> # Angola
> # Benin
> @@ -358,7 +359,8 @@ Rule Egypt 2014 only - Sep
> lastThu 24:00 0 -
>
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Africa/Cairo 2:05:09 - LMT 1900 Oct
> - 2:00 Egypt EE%sT
> + 2:00 Egypt EE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Equatorial Guinea
> # See Africa/Lagos.
> @@ -525,7 +527,8 @@ Zone Africa/Tripoli 0:52:44 - LMT
> 1920
> 1:00 Libya CE%sT 1997 Oct 4
> 2:00 - EET 2012 Nov 10 2:00
> 1:00 Libya CE%sT 2013 Oct 25 2:00
> - 2:00 - EET
> + 2:00 - EET 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Madagascar
> # See Africa/Nairobi.
> @@ -869,6 +872,9 @@ Zone Indian/Mauritius 3:50:00 - LMT
> 1907 # Port Louis
> # (car (cdr (cdr a))) (calendar-month-name (car a) t) (car (cdr
> a))
> # (car (cdr (cdr b))) (calendar-month-name (car b) t) (car (cdr
> b)))))
> # (setq islamic-year (+ 1 islamic-year))))
> +# From Paul Eggert (2019-09-15):
> +# Guess Morocco will stop observing DST in 2019, along with the EU,
> +# so omit the above program's output after 2018.
>
> # RULE NAME FROM TO TYPE IN ON AT SAVE
> LETTER/S
>
> @@ -901,7 +907,7 @@ Rule Morocco 2012 only - Aug
> 20 2:00 1:00 S
> Rule Morocco 2012 only - Sep 30 3:00 0 -
> Rule Morocco 2013 only - Jul 7 3:00 0 -
> Rule Morocco 2013 only - Aug 10 2:00 1:00 S
> -Rule Morocco 2013 max - Oct lastSun 3:00 0 -
> +Rule Morocco 2013 2018 - Oct lastSun 3:00 0 -
> Rule Morocco 2014 2021 - Mar lastSun 2:00 1:00 S
> Rule Morocco 2014 only - Jun 28 3:00 0 -
> Rule Morocco 2014 only - Aug 2 2:00 1:00 S
> @@ -913,25 +919,13 @@ Rule Morocco 2017 only - May
> 21 3:00 0 -
> Rule Morocco 2017 only - Jul 2 2:00 1:00 S
> Rule Morocco 2018 only - May 13 3:00 0 -
> Rule Morocco 2018 only - Jun 17 2:00 1:00 S
> -Rule Morocco 2019 only - May 5 3:00 0 -
> -Rule Morocco 2019 only - Jun 9 2:00 1:00 S
> -Rule Morocco 2020 only - Apr 19 3:00 0 -
> -Rule Morocco 2020 only - May 24 2:00 1:00 S
> -Rule Morocco 2021 only - Apr 11 3:00 0 -
> -Rule Morocco 2021 only - May 16 2:00 1:00 S
> -Rule Morocco 2022 only - May 8 2:00 1:00 S
> -Rule Morocco 2023 only - Apr 23 2:00 1:00 S
> -Rule Morocco 2024 only - Apr 14 2:00 1:00 S
> -Rule Morocco 2025 only - Apr 6 2:00 1:00 S
> -Rule Morocco 2026 max - Mar lastSun 2:00 1:00 S
> -Rule Morocco 2036 only - Oct 19 3:00 0 -
> -Rule Morocco 2037 only - Oct 4 3:00 0 -
>
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Africa/Casablanca -0:30:20 - LMT 1913 Oct 26
> 0:00 Morocco WE%sT 1984 Mar 16
> 1:00 - CET 1986
> - 0:00 Morocco WE%sT
> + 0:00 Morocco WE%sT 2019 Mar 31 1:00u
> + 1:00 - +01
>
> # Western Sahara
> #
> @@ -946,7 +940,8 @@ Zone Africa/Casablanca -0:30:20 - LMT
> 1913 Oct 26
>
> Zone Africa/El_Aaiun -0:52:48 - LMT 1934 Jan # El Aaiún
> -1:00 - -01 1976 Apr 14
> - 0:00 Morocco WE%sT
> + 0:00 Morocco WE%sT 2019 Mar 31 1:00u
> + 0:00 Morocco +00/+01
>
> # Mozambique
> #
> @@ -1286,7 +1281,8 @@ Rule Tunisia 2006 2008 - Oct
> lastSun 2:00s 0 -
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Africa/Tunis 0:40:44 - LMT 1881 May 12
> 0:09:21 - PMT 1911 Mar 11 # Paris Mean
> Time
> - 1:00 Tunisia CE%sT
> + 1:00 Tunisia CE%sT 2019 Mar 31 1:00u
> + 1:00 - +01
>
> # Uganda
> # See Africa/Nairobi.
> diff --git a/asia b/asia
> index 5e27d85..5a97b9e 100644
> --- a/asia
> +++ b/asia
> @@ -71,12 +71,12 @@
>
> # These rules are stolen from the 'europe' file.
> # Rule NAME FROM TO TYPE IN ON AT SAVE
> LETTER/S
> -Rule EUAsia 1981 max - Mar lastSun 1:00u 1:00 S
> +Rule EUAsia 1981 2019 - Mar lastSun 1:00u 1:00 S
> Rule EUAsia 1979 1995 - Sep lastSun 1:00u 0 -
> -Rule EUAsia 1996 max - Oct lastSun 1:00u 0 -
> -Rule E-EurAsia 1981 max - Mar lastSun 0:00 1:00 -
> +Rule EUAsia 1996 2019 - Oct lastSun 1:00u 0 -
> +Rule E-EurAsia 1981 2019 - Mar lastSun 0:00 1:00 -
> Rule E-EurAsia 1979 1995 - Sep lastSun 0:00 0 -
> -Rule E-EurAsia 1996 max - Oct lastSun 0:00 0 -
> +Rule E-EurAsia 1996 2019 - Oct lastSun 0:00 0 -
> Rule RussiaAsia 1981 1984 - Apr 1 0:00
> 1:00 -
> Rule RussiaAsia 1981 1983 - Oct 1 0:00 0
> -
> Rule RussiaAsia 1984 1995 - Sep lastSun 2:00s 0
> -
> @@ -944,12 +944,14 @@ Rule Cyprus 1981 1998 - Mar
> lastSun 0:00 1:00 S
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Asia/Nicosia 2:13:28 - LMT 1921 Nov 14
> 2:00 Cyprus EE%sT 1998 Sep
> - 2:00 EUAsia EE%sT
> + 2:00 EUAsia EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
> Zone Asia/Famagusta 2:15:48 - LMT 1921 Nov 14
> 2:00 Cyprus EE%sT 1998 Sep
> 2:00 EUAsia EE%sT 2016 Sep 8
> - 3:00 - +03 2017 Oct 29 1:00u
> - 2:00 EUAsia EE%sT
> + 3:00 - +03 2017 Oct 29 1:00u
> + 2:00 EUAsia EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
> # Classically, Cyprus belongs to Asia; e.g. see Herodotus, Histories,
> I.72.
> # However, for various reasons many users expect to find it under Europe.
> @@ -1750,7 +1752,8 @@ Rule Jordan 2014 max - Mar
> lastThu 24:00 1:00 S
> Rule Jordan 2014 max - Oct lastFri 0:00s 0 -
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Asia/Amman 2:23:44 - LMT 1931
> - 2:00 Jordan EE%sT
> + 2:00 Jordan EE%sT 2019 Mar 28 24:00
> + 2:00 Jordan +02/+03
>
>
> # Kazakhstan
> @@ -2190,7 +2193,8 @@ Rule Lebanon 1993 1998 - Sep
> lastSun 0:00 0 -
> Rule Lebanon 1999 max - Oct lastSun 0:00 0 -
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Asia/Beirut 2:22:00 - LMT 1880
> - 2:00 Lebanon EE%sT
> + 2:00 Lebanon EE%sT 2019 Mar 31 0:00
> + 2:00 Lebanon +02/+03
>
> # Malaysia
> # Rule NAME FROM TO TYPE IN ON AT SAVE
> LETTER/S
> @@ -2866,14 +2870,16 @@ Zone Asia/Gaza 2:17:52 - LMT
> 1900 Oct
> 2:00 - EET 2010 Mar 27 0:01
> 2:00 Palestine EE%sT 2011 Aug 1
> 2:00 - EET 2012
> - 2:00 Palestine EE%sT
> + 2:00 Palestine EE%sT 2019 Mar 23 1:00
> + 2:00 Palestine +02/+03
>
> Zone Asia/Hebron 2:20:23 - LMT 1900 Oct
> 2:00 Zion EET/EEST 1948 May 15
> 2:00 EgyptAsia EE%sT 1967 Jun 5
> 2:00 Zion I%sT 1996
> 2:00 Jordan EE%sT 1999
> - 2:00 Palestine EE%sT
> + 2:00 Palestine EE%sT 2019 Mar 23 1:00
> + 2:00 Palestine +02/+03
>
> # Paracel Is
> # no information
> @@ -3224,7 +3230,8 @@ Rule Syria 2009 max - Oct
> lastFri 0:00 0 -
>
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Asia/Damascus 2:25:12 - LMT 1920 # Dimashq
> - 2:00 Syria EE%sT
> + 2:00 Syria EE%sT 2019 Mar 29 0:00
> + 2:00 Syria +02/+03
>
> # Tajikistan
> # From Shanks & Pottenger.
> diff --git a/backzone b/backzone
> index 97792b1..349aaae 100644
> --- a/backzone
> +++ b/backzone
> @@ -560,7 +560,8 @@ Zone Europe/Belfast -0:23:40 - LMT
> 1880 Aug 2
> 0:00 GB-Eire %s 1968 Oct 27
> 1:00 - BST 1971 Oct 31 2:00u
> 0:00 GB-Eire %s 1996
> - 0:00 EU GMT/BST
> + 0:00 EU GMT/BST 2019 Mar 29 23:00u # Brexit
> + 0:00 UK GMT/BST
>
> # Guernsey
> # Data from Joseph S. Myers
> @@ -573,7 +574,8 @@ Zone Europe/Guernsey -0:10:09 - LMT
> 1913 Jun 18
> 0:00 GB-Eire %s 1968 Oct 27
> 1:00 - BST 1971 Oct 31 2:00u
> 0:00 GB-Eire %s 1996
> - 0:00 EU GMT/BST
> + 0:00 EU GMT/BST 2019 Mar 29 23:00u # Brexit
> + 0:00 UK GMT/BST
>
> # Isle of Man
> #
> @@ -594,7 +596,8 @@ Zone Europe/Isle_of_Man -0:17:55 - LMT
> 1883 Mar 30 0:00s
> 0:00 GB-Eire %s 1968 Oct 27
> 1:00 - BST 1971 Oct 31 2:00u
> 0:00 GB-Eire %s 1996
> - 0:00 EU GMT/BST
> + 0:00 EU GMT/BST 2019 Mar 29 23:00u # Brexit
> + 0:00 UK GMT/BST
>
> # Jersey
> # Data from Joseph S. Myers
> @@ -607,7 +610,8 @@ Zone Europe/Jersey -0:08:26 - LMT
> 1898 Jun 11 16:00u
> 0:00 GB-Eire %s 1968 Oct 27
> 1:00 - BST 1971 Oct 31 2:00u
> 0:00 GB-Eire %s 1996
> - 0:00 EU GMT/BST
> + 0:00 EU GMT/BST 2019 Mar 29 23:00u # Brexit
> + 0:00 UK GMT/BST
>
> # Slovenia
> Zone Europe/Ljubljana 0:58:04 - LMT 1884
> @@ -615,7 +619,8 @@ Zone Europe/Ljubljana 0:58:04 - LMT
> 1884
> 1:00 C-Eur CE%sT 1945 May 8 2:00s
> 1:00 1:00 CEST 1945 Sep 16 2:00s
> 1:00 - CET 1982 Nov 27
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Bosnia and Herzegovina
> Zone Europe/Sarajevo 1:13:40 - LMT 1884
> @@ -623,7 +628,8 @@ Zone Europe/Sarajevo 1:13:40 - LMT
> 1884
> 1:00 C-Eur CE%sT 1945 May 8 2:00s
> 1:00 1:00 CEST 1945 Sep 16 2:00s
> 1:00 - CET 1982 Nov 27
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Macedonia
> Zone Europe/Skopje 1:25:44 - LMT 1884
> @@ -631,7 +637,8 @@ Zone Europe/Skopje 1:25:44 - LMT
> 1884
> 1:00 C-Eur CE%sT 1945 May 8 2:00s
> 1:00 1:00 CEST 1945 Sep 16 2:00s
> 1:00 - CET 1982 Nov 27
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Moldova / Transnistria
> Zone Europe/Tiraspol 1:58:32 - LMT 1880
> @@ -647,7 +654,8 @@ Zone Europe/Tiraspol 1:58:32 - LMT
> 1880
> # Liechtenstein
> Zone Europe/Vaduz 0:38:04 - LMT 1894 Jun
> 1:00 - CET 1981
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Croatia
> Zone Europe/Zagreb 1:03:52 - LMT 1884
> @@ -655,7 +663,8 @@ Zone Europe/Zagreb 1:03:52 - LMT
> 1884
> 1:00 C-Eur CE%sT 1945 May 8 2:00s
> 1:00 1:00 CEST 1945 Sep 16 2:00s
> 1:00 - CET 1982 Nov 27
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Madagascar
> Zone Indian/Antananarivo 3:10:04 - LMT 1911 Jul
> diff --git a/europe b/europe
> index e5017c2..1d8f201 100644
> --- a/europe
> +++ b/europe
> @@ -500,12 +500,16 @@ Rule GB-Eire 1990 1995 - Oct
> Sun>=22 1:00u 0 GMT
> #
> # Use Europe/London for Jersey, Guernsey, and the Isle of Man.
>
> +Rule UK 2019 max - Mar lastSun 1:00u 1:00 -
> +Rule UK 2019 max - Oct lastSun 1:00u 0 -
> +
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Europe/London -0:01:15 - LMT 1847 Dec 1 0:00s
> 0:00 GB-Eire %s 1968 Oct 27
> 1:00 - BST 1971 Oct 31 2:00u
> 0:00 GB-Eire %s 1996
> - 0:00 EU GMT/BST
> + 0:00 EU GMT/BST 2019 Mar 29 23:00u # Brexit
> + 0:00 UK GMT/BST
> Link Europe/London Europe/Jersey
> Link Europe/London Europe/Guernsey
> Link Europe/London Europe/Isle_of_Man
> @@ -533,10 +537,10 @@ Link Europe/London Europe/Isle_of_Man
> Rule Eire 1971 only - Oct 31 2:00u -1:00 -
> Rule Eire 1972 1980 - Mar Sun>=16 2:00u 0 -
> Rule Eire 1972 1980 - Oct Sun>=23 2:00u -1:00 -
> -Rule Eire 1981 max - Mar lastSun 1:00u 0 -
> +Rule Eire 1981 2019 - Mar lastSun 1:00u 0 -
> Rule Eire 1981 1989 - Oct Sun>=23 1:00u -1:00 -
> Rule Eire 1990 1995 - Oct Sun>=22 1:00u -1:00 -
> -Rule Eire 1996 max - Oct lastSun 1:00u -1:00 -
> +Rule Eire 1996 2019 - Oct lastSun 1:00u -1:00 -
>
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Europe/Dublin -0:25:00 - LMT 1880 Aug 2
> @@ -550,11 +554,12 @@ Zone Europe/Dublin -0:25:00 - LMT
> 1880 Aug 2
> 0:00 - GMT 1948 Apr 18 2:00s
> 0:00 GB-Eire GMT/IST 1968 Oct 27
> # The next line is for when negative SAVE values are used.
> - 1:00 Eire IST/GMT
> + 1:00 Eire IST/GMT 2019 Mar 31 1:00u
> # These three lines are for when SAVE values are always nonnegative.
> # 1:00 - IST 1971 Oct 31 2:00u
> # 0:00 GB-Eire GMT/IST 1996
> -# 0:00 EU GMT/IST
> +# 0:00 EU GMT/IST 2019 Mar 31 1:00u
> + 1:00 - IST
>
>
>
> ###############################################################################
> @@ -570,20 +575,23 @@ Rule EU 1977 1980 - Apr
> Sun>=1 1:00u 1:00 S
> Rule EU 1977 only - Sep lastSun 1:00u 0 -
> Rule EU 1978 only - Oct 1 1:00u 0 -
> Rule EU 1979 1995 - Sep lastSun 1:00u 0 -
> -Rule EU 1981 max - Mar lastSun 1:00u 1:00 S
> -Rule EU 1996 max - Oct lastSun 1:00u 0 -
> -# The most recent directive covers the years starting in 2002. See:
> +Rule EU 1981 2019 - Mar lastSun 1:00u 1:00 S
> +Rule EU 1996 2019 - Oct lastSun 1:00u 0 -
> +# The last summer time directive covers 2002-2019. See:
> # Directive 2000/84/EC of the European Parliament and of the Council
> # of 19 January 2001 on summer-time arrangements.
> #
> http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CELEX:32000L0084:EN:NOT
> +# The above ruleset assumes that the 2018-09-12 European Commission
> proposal to
> +# abolish DST will take effect unmodified; see
> +#
> https://ec.europa.eu/commission/sites/beta-political/files/soteu2018-discontinuing-seasonal-changes-time-directive-639_en.pdf
>
> # W-Eur differs from EU only in that W-Eur uses standard time.
> Rule W-Eur 1977 1980 - Apr Sun>=1 1:00s 1:00 S
> Rule W-Eur 1977 only - Sep lastSun 1:00s 0 -
> Rule W-Eur 1978 only - Oct 1 1:00s 0 -
> Rule W-Eur 1979 1995 - Sep lastSun 1:00s 0 -
> -Rule W-Eur 1981 max - Mar lastSun 1:00s 1:00 S
> -Rule W-Eur 1996 max - Oct lastSun 1:00s 0 -
> +Rule W-Eur 1981 2019 - Mar lastSun 1:00s 1:00 S
> +Rule W-Eur 1996 2019 - Oct lastSun 1:00s 0 -
>
> # Older C-Eur rules are for convenience in the tables.
> # From 1977 on, C-Eur differs from EU only in that C-Eur uses standard
> time.
> @@ -641,8 +649,8 @@ Rule C-Eur 1977 1980 - Apr
> Sun>=1 2:00s 1:00 S
> Rule C-Eur 1977 only - Sep lastSun 2:00s 0 -
> Rule C-Eur 1978 only - Oct 1 2:00s 0 -
> Rule C-Eur 1979 1995 - Sep lastSun 2:00s 0 -
> -Rule C-Eur 1981 max - Mar lastSun 2:00s 1:00 S
> -Rule C-Eur 1996 max - Oct lastSun 2:00s 0 -
> +Rule C-Eur 1981 2019 - Mar lastSun 2:00s 1:00 S
> +Rule C-Eur 1996 2019 - Oct lastSun 2:00s 0 -
>
> # E-Eur differs from EU only in that E-Eur switches at midnight local
> time.
> Rule E-Eur 1977 1980 - Apr Sun>=1 0:00 1:00 S
> @@ -801,14 +809,16 @@ Rule Albania 1984 only - Apr
> 1 0:00 1:00 S
> Zone Europe/Tirane 1:19:20 - LMT 1914
> 1:00 - CET 1940 Jun 16
> 1:00 Albania CE%sT 1984 Jul
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Andorra
> # Zone NAME GMTOFF RULES FORMAT [UNTIL]
> Zone Europe/Andorra 0:06:04 - LMT 1901
> 0:00 - WET 1946 Sep 30
> 1:00 - CET 1985 Mar 31 2:00
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Austria
>
> @@ -838,7 +848,8 @@ Zone Europe/Vienna 1:05:21 - LMT
> 1893 Apr
> 1:00 1:00 CEST 1945 Apr 12 2:00s
> 1:00 - CET 1946
> 1:00 Austria CE%sT 1981
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Belarus
> #
> @@ -935,7 +946,8 @@ Zone Europe/Brussels 0:17:30 - LMT
> 1880
> 0:00 Belgium WE%sT 1940 May 20 2:00s
> 1:00 C-Eur CE%sT 1944 Sep 3
> 1:00 Belgium CE%sT 1977
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Bosnia and Herzegovina
> # See Europe/Belgrade.
> @@ -963,7 +975,8 @@ Zone Europe/Sofia 1:33:16 - LMT
> 1880
> 2:00 Bulg EE%sT 1982 Sep 26 3:00
> 2:00 C-Eur EE%sT 1991
> 2:00 E-Eur EE%sT 1997
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
> # Croatia
> # See Europe/Belgrade.
> @@ -997,7 +1010,8 @@ Zone Europe/Prague 0:57:44 - LMT
> 1850
> # 0:00 - GMT 1947 Feb 23 2:00
> # End of rearguard section.
> 1:00 Czech CE%sT 1979
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
> # Use Europe/Prague also for Slovakia.
>
> # Denmark, Faroe Islands, and Greenland
> @@ -1054,10 +1068,12 @@ Zone Europe/Copenhagen 0:50:20 - LMT
> 1890
> 1:00 Denmark CE%sT 1942 Nov 2 2:00s
> 1:00 C-Eur CE%sT 1945 Apr 2 2:00
> 1:00 Denmark CE%sT 1980
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
> Zone Atlantic/Faroe -0:27:04 - LMT 1908 Jan 11 # Tórshavn
> 0:00 - WET 1981
> - 0:00 EU WE%sT
> + 0:00 EU WE%sT 2019 Mar 31 1:00u
> + 1:00 - +01
> #
> # From Paul Eggert (2004-10-31):
> # During World War II, Germany maintained secret manned weather stations
> in
> @@ -1149,14 +1165,16 @@ Rule Thule 2007 max - Nov
> Sun>=1 2:00 0 S
> Zone America/Danmarkshavn -1:14:40 - LMT 1916 Jul 28
> -3:00 - -03 1980 Apr 6 2:00
> -3:00 EU -03/-02 1996
> - 0:00 - GMT
> + 0:00 - +00
> Zone America/Scoresbysund -1:27:52 - LMT 1916 Jul 28 #
> Ittoqqortoormiit
> -2:00 - -02 1980 Apr 6 2:00
> -2:00 C-Eur -02/-01 1981 Mar 29
> - -1:00 EU -01/+00
> + -1:00 EU -01/+00 2019 Mar 31 1:00u
> + 0:00 - +00
> Zone America/Godthab -3:26:56 - LMT 1916 Jul 28 # Nuuk
> -3:00 - -03 1980 Apr 6 2:00
> - -3:00 EU -03/-02
> + -3:00 EU -03/-02 2019 Mar 31 1:00u
> + -2:00 - -02
> Zone America/Thule -4:35:08 - LMT 1916 Jul 28 # Pituffik air
> base
> -4:00 Thule A%sT
>
> @@ -1224,7 +1242,8 @@ Zone Europe/Tallinn 1:39:00 - LMT
> 1880
> 2:00 C-Eur EE%sT 1998 Sep 22
> 2:00 EU EE%sT 1999 Oct 31 4:00
> 2:00 - EET 2002 Feb 21
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
> # Finland
>
> @@ -1278,7 +1297,8 @@ Rule Finland 1981 1982 - Sep
> lastSun 3:00 0 -
> Zone Europe/Helsinki 1:39:49 - LMT 1878 May 31
> 1:39:49 - HMT 1921 May # Helsinki
> Mean Time
> 2:00 Finland EE%sT 1983
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
> # Åland Is
> Link Europe/Helsinki Europe/Mariehamn
> @@ -1374,7 +1394,8 @@ Zone Europe/Paris 0:09:21 - LMT
> 1891 Mar 15 0:01
> 1:00 C-Eur CE%sT 1944 Aug 25
> 0:00 France WE%sT 1945 Sep 16 3:00
> 1:00 France CE%sT 1977
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Germany
>
> @@ -1417,7 +1438,8 @@ Zone Europe/Berlin 0:53:28 - LMT
> 1893 Apr
> 1:00 C-Eur CE%sT 1945 May 24 2:00
> 1:00 SovietZone CE%sT 1946
> 1:00 Germany CE%sT 1980
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # From Tobias Conradi (2011-09-12):
> # Büsingen <http://www.buesingen.de>, surrounded by the Swiss canton
> @@ -1444,7 +1466,8 @@ Link Europe/Zurich Europe/Busingen
> Zone Europe/Gibraltar -0:21:24 - LMT 1880 Aug 2 0:00s
> 0:00 GB-Eire %s 1957 Apr 14 2:00
> 1:00 - CET 1982
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 1:00 UK +01/+02
>
> # Greece
> # Rule NAME FROM TO TYPE IN ON AT SAVE
> LETTER/S
> @@ -1479,7 +1502,8 @@ Zone Europe/Athens 1:34:52 - LMT
> 1895 Sep 14
> 2:00 Greece EE%sT 1981
> # Shanks & Pottenger say it switched to C-Eur in
> 1981;
> # go with EU rules instead, since Greece joined
> Jan 1.
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
> # Hungary
> # From Paul Eggert (2014-07-15):
> @@ -1514,7 +1538,8 @@ Zone Europe/Budapest 1:16:20 - LMT
> 1890 Oct
> 1:00 Hungary CE%sT 1941 Apr 8
> 1:00 C-Eur CE%sT 1945
> 1:00 Hungary CE%sT 1980 Sep 28 2:00s
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Iceland
> #
> @@ -1662,7 +1687,8 @@ Zone Europe/Rome 0:49:56 - LMT
> 1866 Sep 22
> 1:00 Italy CE%sT 1943 Sep 10
> 1:00 C-Eur CE%sT 1944 Jun 4
> 1:00 Italy CE%sT 1980
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> Link Europe/Rome Europe/Vatican
> Link Europe/Rome Europe/San_Marino
> @@ -1747,7 +1773,8 @@ Zone Europe/Riga 1:36:34 - LMT
> 1880
> 2:00 Latvia EE%sT 1997 Jan 21
> 2:00 EU EE%sT 2000 Feb 29
> 2:00 - EET 2001 Jan 2
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
> # Liechtenstein
>
> @@ -1817,7 +1844,8 @@ Zone Europe/Vilnius 1:41:16 - LMT
> 1880
> 2:00 - EET 1998 Mar 29 1:00u
> 1:00 EU CE%sT 1999 Oct 31 1:00u
> 2:00 - EET 2003 Jan 1
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
> # Luxembourg
> # Whitman disagrees with most of these dates in minor ways;
> @@ -1853,7 +1881,8 @@ Zone Europe/Luxembourg 0:24:36 - LMT
> 1904 Jun
> 0:00 Belgium WE%sT 1940 May 14 3:00
> 1:00 C-Eur WE%sT 1944 Sep 18 3:00
> 1:00 Belgium CE%sT 1977
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Macedonia
> # See Europe/Belgrade.
> @@ -1875,7 +1904,8 @@ Rule Malta 1980 only - Mar
> 31 2:00 1:00 S
> Zone Europe/Malta 0:58:04 - LMT 1893 Nov 2 0:00s #
> Valletta
> 1:00 Italy CE%sT 1973 Mar 31
> 1:00 Malta CE%sT 1981
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Moldova
>
> @@ -1961,7 +1991,8 @@ Zone Europe/Monaco 0:29:32 - LMT
> 1891 Mar 15
> 0:09:21 - PMT 1911 Mar 11 # Paris Mean
> Time
> 0:00 France WE%sT 1945 Sep 16 3:00
> 1:00 France CE%sT 1977
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Montenegro
> # See Europe/Belgrade.
> @@ -2038,7 +2069,8 @@ Zone Europe/Amsterdam 0:19:32 - LMT
> 1835
> 0:20 Neth +0020/+0120 1940 May 16 0:00
> 1:00 C-Eur CE%sT 1945 Apr 2 2:00
> 1:00 Neth CE%sT 1977
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Norway
> # http://met.no/met/met_lex/q_u/sommertid.html (2004-01) agrees with
> Shanks &
> @@ -2056,7 +2088,8 @@ Zone Europe/Oslo 0:43:00 - LMT
> 1895 Jan 1
> 1:00 Norway CE%sT 1940 Aug 10 23:00
> 1:00 C-Eur CE%sT 1945 Apr 2 2:00
> 1:00 Norway CE%sT 1980
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Svalbard & Jan Mayen
>
> @@ -2151,7 +2184,8 @@ Zone Europe/Warsaw 1:24:00 - LMT
> 1880
> 1:00 C-Eur CE%sT 1944 Oct
> 1:00 Poland CE%sT 1977
> 1:00 W-Eur CE%sT 1988
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Portugal
>
> @@ -2255,7 +2289,8 @@ Zone Europe/Lisbon -0:36:45 - LMT
> 1884
> 0:00 Port WE%sT 1983 Sep 25 1:00s
> 0:00 W-Eur WE%sT 1992 Sep 27 1:00s
> 1:00 EU CE%sT 1996 Mar 31 1:00u
> - 0:00 EU WE%sT
> + 0:00 EU WE%sT 2019 Mar 31 1:00u
> + 1:00 - +01
> # This Zone can be simplified once we assume zic %z.
> Zone Atlantic/Azores -1:42:40 - LMT 1884 # Ponta Delgada
> -1:54:32 - HMT 1912 Jan 1 2:00u # Horta
> MT
> @@ -2271,7 +2306,8 @@ Zone Atlantic/Azores -1:42:40 - LMT
> 1884 # Ponta Delgada
> -1:00 Port -01/+00 1983 Sep 25 1:00s
> -1:00 W-Eur -01/+00 1992 Sep 27 1:00s
> 0:00 EU WE%sT 1993 Mar 28 1:00u
> - -1:00 EU -01/+00
> + -1:00 EU -01/+00 2019 Mar 31 1:00u
> + 0:00 - +00
> # This Zone can be simplified once we assume zic %z.
> Zone Atlantic/Madeira -1:07:36 - LMT 1884 # Funchal
> -1:07:36 - FMT 1912 Jan 1 1:00u #
> Funchal MT
> @@ -2285,7 +2321,8 @@ Zone Atlantic/Madeira -1:07:36 - LMT
> 1884 # Funchal
> -1:00 Port +01 1945 Aug 25 22:00s
> -1:00 Port -01/+00 1966 Apr 3 2:00
> 0:00 Port WE%sT 1983 Sep 25 1:00s
> - 0:00 EU WE%sT
> + 0:00 EU WE%sT 2019 Mar 31 1:00u
> + 1:00 - +01
>
> # Romania
> #
> @@ -2313,7 +2350,8 @@ Zone Europe/Bucharest 1:44:24 - LMT
> 1891 Oct
> 2:00 C-Eur EE%sT 1991
> 2:00 Romania EE%sT 1994
> 2:00 E-Eur EE%sT 1997
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
>
> # Russia
> @@ -2491,7 +2529,8 @@ Zone Europe/Kaliningrad 1:22:00 - LMT
> 1893 Apr
> 3:00 Russia MSK/MSD 1989 Mar 26 2:00s
> 2:00 Russia EE%sT 2011 Mar 27 2:00s
> 3:00 - +03 2014 Oct 26 2:00s
> - 2:00 - EET
> + 2:00 - EET 2019 Mar 31 1:00u
> + 2:00 - +02
>
>
> # From Paul Eggert (2016-02-21), per Tim Parenti (2014-07-03) and
> @@ -3345,7 +3384,8 @@ Zone Europe/Belgrade 1:22:00 - LMT
> 1884
> # transition to EU rules was 1982-11-27, for all of Yugoslavia at the
> time.
> # Shanks & Pottenger don't give as much detail, so go with Koželj.
> 1:00 - CET 1982 Nov 27
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
> Link Europe/Belgrade Europe/Ljubljana # Slovenia
> Link Europe/Belgrade Europe/Podgorica # Montenegro
> Link Europe/Belgrade Europe/Sarajevo # Bosnia and Herzegovina
> @@ -3444,7 +3484,8 @@ Rule SpainAfrica 1978 only - Aug
> 4 0:00 0 -
> Zone Europe/Madrid -0:14:44 - LMT 1900 Dec 31 23:45:16
> 0:00 Spain WE%sT 1940 Mar 16 23:00
> 1:00 Spain CE%sT 1979
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
> Zone Africa/Ceuta -0:21:16 - LMT 1900 Dec 31 23:38:44
> 0:00 - WET 1918 May 6 23:00
> 0:00 1:00 WEST 1918 Oct 7 23:00
> @@ -3453,12 +3494,14 @@ Zone Africa/Ceuta -0:21:16 - LMT
> 1900 Dec 31 23:38:44
> 0:00 - WET 1967 # Help zishrink.awk.
> 0:00 SpainAfrica WE%sT 1984 Mar 16
> 1:00 - CET 1986
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
> Zone Atlantic/Canary -1:01:36 - LMT 1922 Mar # Las Palmas de
> Gran C.
> -1:00 - -01 1946 Sep 30 1:00
> 0:00 - WET 1980 Apr 6 0:00s
> 0:00 1:00 WEST 1980 Sep 28 1:00u
> - 0:00 EU WE%sT
> + 0:00 EU WE%sT 2019 Mar 31 1:00u
> + 1:00 - +01
> # IATA SSIM (1996-09) says the Canaries switch at 2:00u, not 1:00u.
> # Ignore this for now, as the Canaries are part of the EU.
>
> @@ -3514,7 +3557,8 @@ Zone Europe/Stockholm 1:12:12 - LMT
> 1879 Jan 1
> 1:00 - CET 1916 May 14 23:00
> 1:00 1:00 CEST 1916 Oct 1 1:00
> 1:00 - CET 1980
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Switzerland
> # From Howse:
> @@ -3615,7 +3659,8 @@ Rule Swiss 1941 1942 - Oct
> Mon>=1 2:00 0 -
> Zone Europe/Zurich 0:34:08 - LMT 1853 Jul 16 # See above
> comment.
> 0:29:46 - BMT 1894 Jun # Bern Mean
> Time
> 1:00 Swiss CE%sT 1981
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
>
> # Turkey
>
> @@ -3858,7 +3903,8 @@ Zone Europe/Kiev 2:02:04 - LMT 1880
> 3:00 Russia MSK/MSD 1990 Jul 1 2:00
> 2:00 1:00 EEST 1991 Sep 29 3:00
> 2:00 E-Eur EE%sT 1995
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
> # Ruthenia used CET 1990/1991.
> # "Uzhhorod" is the transliteration of the Rusyn/Ukrainian pronunciation,
> but
> # "Uzhgorod" is more common in English.
> @@ -3872,7 +3918,8 @@ Zone Europe/Uzhgorod 1:29:12 - LMT
> 1890 Oct
> 1:00 - CET 1991 Mar 31 3:00
> 2:00 - EET 1992
> 2:00 E-Eur EE%sT 1995
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
> # Zaporozh'ye and eastern Lugansk oblasts observed DST 1990/1991.
> # "Zaporizhia" is the transliteration of the Ukrainian name, but
> # "Zaporozh'ye" is more common in English. Use the common English
> @@ -3885,7 +3932,8 @@ Zone Europe/Zaporozhye 2:20:40 - LMT
> 1880
> 1:00 C-Eur CE%sT 1943 Oct 25
> 3:00 Russia MSK/MSD 1991 Mar 31 2:00
> 2:00 E-Eur EE%sT 1995
> - 2:00 EU EE%sT
> + 2:00 EU EE%sT 2019 Mar 31 1:00u
> + 3:00 - +03
>
> # Vatican City
> # See Europe/Rome.
> diff --git a/zic.8 b/zic.8
> index 4ef7675..17336dc 100644
> --- a/zic.8
> +++ b/zic.8
> @@ -554,7 +554,8 @@ Rule EU 1996 max \*- Oct
> lastSun 1:00u 0 \*-
> Zone Europe/Zurich 0:34:08 \*- LMT 1853 Jul 16
> 0:29:46 \*- BMT 1894 Jun
> 1:00 Swiss CE%sT 1981
> - 1:00 EU CE%sT
> + 1:00 EU CE%sT 2019 Mar 31 1:00u
> + 2:00 - +02
> .sp
> Link Europe/Zurich Europe/Vaduz
> .sp
> @@ -568,8 +569,9 @@ was changed to 7\(de\|26\(fm\|22
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