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-rw-r--r--tz/europe44
1 files changed, 19 insertions, 25 deletions
diff --git a/tz/europe b/tz/europe
index bba4d56..1204c09 100644
--- a/tz/europe
+++ b/tz/europe
@@ -68,7 +68,6 @@
# 0:00 GMT BST BDST Greenwich, British Summer
# 0:00 GMT IST Greenwich, Irish Summer
# 0:00 WET WEST WEMT Western Europe
-# 0:19:32.13 AMT* NST* Amsterdam, Netherlands Summer (1835-1937)
# 1:00 BST British Standard (1968-1971)
# 1:00 IST GMT Irish Standard (1968-) with winter DST
# 1:00 CET CEST CEMT Central Europe
@@ -506,9 +505,6 @@ Zone Europe/London -0:01:15 - LMT 1847 Dec 1 0:00s
1:00 - BST 1971 Oct 31 2:00u
0:00 GB-Eire %s 1996
0:00 EU GMT/BST
-Link Europe/London Europe/Jersey
-Link Europe/London Europe/Guernsey
-Link Europe/London Europe/Isle_of_Man
# From Paul Eggert (2018-02-15):
# In January 2018 we discovered that the negative SAVE values in the
@@ -1307,9 +1303,8 @@ 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
-
# Åland Is
-Link Europe/Helsinki Europe/Mariehamn
+# See Europe/Helsinki.
# France
@@ -1505,8 +1500,7 @@ Zone Europe/Berlin 0:53:28 - LMT 1893 Apr
# From Arthur David Olson (2012-03-03):
# Büsingen and Zurich have shared clocks since 1970.
-
-Link Europe/Zurich Europe/Busingen
+# See Europe/Zurich.
# Georgia
# Please see the "asia" file for Asia/Tbilisi.
@@ -1800,8 +1794,9 @@ Zone Europe/Rome 0:49:56 - LMT 1866 Dec 12
1:00 Italy CE%sT 1980
1:00 EU CE%sT
-Link Europe/Rome Europe/Vatican
-Link Europe/Rome Europe/San_Marino
+# Kosovo
+# See Europe/Belgrade.
+
# Latvia
@@ -1895,7 +1890,7 @@ Zone Europe/Riga 1:36:34 - LMT 1880
# I could confirm from the paper that Liechtenstein did in fact follow
# the same DST in 1941 and 1942 as Switzerland did.
-Link Europe/Zurich Europe/Vaduz
+# See Europe/Zurich.
# Lithuania
@@ -2150,6 +2145,10 @@ Zone Europe/Monaco 0:29:32 - LMT 1892 Jun 1
# The data entries before 1945 are taken from
# https://www.staff.science.uu.nl/~gent0113/wettijd/wettijd.htm
+# From Paul Eggert (2021-05-09):
+# I invented the abbreviations AMT for Amsterdam Mean Time and NST for
+# Netherlands Summer Time, used in the Netherlands from 1835 to 1937.
+
# Rule NAME FROM TO - IN ON AT SAVE LETTER/S
Rule Neth 1916 only - May 1 0:00 1:00 NST # Netherlands Summer Time
Rule Neth 1916 only - Oct 1 0:00 0 AMT # Amsterdam Mean Time
@@ -2248,8 +2247,7 @@ Zone Europe/Oslo 0:43:00 - LMT 1895 Jan 1
# Haudegen did not surrender to the Allies until September 1945.
#
# All these events predate our cutoff date of 1970, so use Europe/Oslo
-# for these regions.
-Link Europe/Oslo Arctic/Longyearbyen
+# for these regions; see 'backward'.
# Poland
@@ -2376,12 +2374,10 @@ Rule Port 1943 1945 - Aug Sat>=25 22:00s 1:00 S
Rule Port 1944 1945 - Apr Sat>=21 22:00s 2:00 M
Rule Port 1946 only - Apr Sat>=1 23:00s 1:00 S
Rule Port 1946 only - Oct Sat>=1 23:00s 0 -
-Rule Port 1947 1949 - Apr Sun>=1 2:00s 1:00 S
-Rule Port 1947 1949 - Oct Sun>=1 2:00s 0 -
-# Shanks & Pottenger say DST was observed in 1950; go with Whitman.
+# Whitman says DST was not observed in 1950; go with Shanks & Pottenger.
# Whitman gives Oct lastSun for 1952 on; go with Shanks & Pottenger.
-Rule Port 1951 1965 - Apr Sun>=1 2:00s 1:00 S
-Rule Port 1951 1965 - Oct Sun>=1 2:00s 0 -
+Rule Port 1947 1965 - Apr Sun>=1 2:00s 1:00 S
+Rule Port 1947 1965 - Oct Sun>=1 2:00s 0 -
Rule Port 1977 only - Mar 27 0:00s 1:00 S
Rule Port 1977 only - Sep 25 0:00s 0 -
Rule Port 1978 1979 - Apr Sun>=1 0:00s 1:00 S
@@ -3520,14 +3516,9 @@ Zone Europe/Belgrade 1:22:00 - LMT 1884
# Shanks & Pottenger don't give as much detail, so go with Koželj.
1:00 - CET 1982 Nov 27
1:00 EU CE%sT
-Link Europe/Belgrade Europe/Ljubljana # Slovenia
-Link Europe/Belgrade Europe/Podgorica # Montenegro
-Link Europe/Belgrade Europe/Sarajevo # Bosnia and Herzegovina
-Link Europe/Belgrade Europe/Skopje # North Macedonia
-Link Europe/Belgrade Europe/Zagreb # Croatia
# Slovakia
-Link Europe/Prague Europe/Bratislava
+# See Europe/Prague.
# Slovenia
# See Europe/Belgrade.
@@ -3683,6 +3674,9 @@ Zone Atlantic/Canary -1:01:36 - LMT 1922 Mar # Las Palmas de Gran C.
#
# Source: The newspaper "Dagens Nyheter", 1916-10-01, page 7 upper left.
+# An extra-special abbreviation style is SET for Swedish Time (svensk
+# normaltid) 1879-1899, 3° west of the Stockholm Observatory.
+
# Zone NAME STDOFF RULES FORMAT [UNTIL]
Zone Europe/Stockholm 1:12:12 - LMT 1879 Jan 1
1:00:14 - SET 1900 Jan 1 # Swedish Time
@@ -3995,7 +3989,7 @@ Zone Europe/Istanbul 1:55:52 - LMT 1880
2:00 1:00 EEST 2015 Nov 8 1:00u
2:00 EU EE%sT 2016 Sep 7
3:00 - +03
-Link Europe/Istanbul Asia/Istanbul # Istanbul is in both continents.
+# See the 'backward' file for Asia/Istanbul.
# Ukraine
#