[tz] Busingen revisited

Arthur David Olson arthurdavidolson at gmail.com
Mon Jan 7 13:28:30 UTC 2013


With the new year, a revised attempt to handle the German exclave of
Busingen (which followed Zurich rather than Berlin in 1980).
These changes are relative to the latest github.com/eggert/tz versions;
they are both below (with tabs mangled) and attached.

        --ado

*** old/europe    2013-01-07 08:05:19.093905100 -0500
--- europe    2013-01-07 08:13:01.260316900 -0500
***************
*** 1239,1244 ****
--- 1239,1265 ----
              1:00    Germany    CE%sT    1980
              1:00    EU    CE%sT

+ # From Tobias Conradi (2011-09-12):
+ # The German enclave of Büsingen
+ # <a href=http://www.buesingen.de>
+ # (http://www.buesingen.de)
+ # </a>
+ # surrounded by the Swiss canton Schaffhausen,
+ # did not start observing DST in 1980 as the rest of DE
+ # (West Germany at that time) and DD (East Germany at that time) did.
+ # DD merged into DE, the area is currently covered by code DE in ISO
3166-1,
+ # which in turn is covered by the zone Europe/Berlin.
+ #
+ # Source for the time in B&uuml;singen 1980:
+ # <a href="
http://www.videoportal.sf.tv/video?id=c012c029-03b7-4c2b-9164-aa5902cd58d3">
+ #
http://www.videoportal.sf.tv/video?id=c012c029-03b7-4c2b-9164-aa5902cd58d3
+ # </a>
+
+ # From Arthur David Olson (2012-03-03):
+ # B&uuml;singen and Zurich have shared clocks since 1970.
+
+ Link    Europe/Zurich    Europe/Busingen
+
  # Georgia
  # Please see the "asia" file for Asia/Tbilisi.
  # Herodotus (Histories, IV.45) says Georgia north of the Phasis (now
Rioni)
*** old/zone.tab    2013-01-07 08:05:21.511909300 -0500
--- zone.tab    2013-01-07 08:18:15.587807500 -0500
***************
*** 159,165 ****
  CX    -1025+10543    Indian/Christmas
  CY    +3510+03322    Asia/Nicosia
  CZ    +5005+01426    Europe/Prague
! DE    +5230+01322    Europe/Berlin
  DJ    +1136+04309    Africa/Djibouti
  DK    +5540+01235    Europe/Copenhagen
  DM    +1518-06124    America/Dominica
--- 159,166 ----
  CX    -1025+10543    Indian/Christmas
  CY    +3510+03322    Asia/Nicosia
  CZ    +5005+01426    Europe/Prague
! DE    +5230+01322    Europe/Berlin    Germany except Busingen
! DE    +4742+00841    Europe/Busingen    Busingen Germany
  DJ    +1136+04309    Africa/Djibouti
  DK    +5540+01235    Europe/Copenhagen
  DM    +1518-06124    America/Dominica
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*** old/europe	2013-01-07 08:05:19.093905100 -0500
--- europe	2013-01-07 08:13:01.260316900 -0500
***************
*** 1239,1244 ****
--- 1239,1265 ----
  			1:00	Germany	CE%sT	1980
  			1:00	EU	CE%sT
  
+ # From Tobias Conradi (2011-09-12):
+ # The German enclave of B&uuml;singen
+ # <a href=http://www.buesingen.de>
+ # http://www.buesingen.de
+ # </a>
+ # surrounded by the Swiss canton Schaffhausen,
+ # did not start observing DST in 1980 as the rest of DE
+ # (West Germany at that time) and DD (East Germany at that time) did.
+ # DD merged into DE, the area is currently covered by code DE in ISO 3166-1,
+ # which in turn is covered by the zone Europe/Berlin.
+ #
+ # Source for the time in B&uuml;singen 1980:
+ # <a href="http://www.videoportal.sf.tv/video?id=c012c029-03b7-4c2b-9164-aa5902cd58d3">
+ # http://www.videoportal.sf.tv/video?id=c012c029-03b7-4c2b-9164-aa5902cd58d3
+ # </a>
+ 
+ # From Arthur David Olson (2012-03-03):
+ # B&uuml;singen and Zurich have shared clocks since 1970.
+ 
+ Link	Europe/Zurich	Europe/Busingen
+ 
  # Georgia
  # Please see the "asia" file for Asia/Tbilisi.
  # Herodotus (Histories, IV.45) says Georgia north of the Phasis (now Rioni)
*** old/zone.tab	2013-01-07 08:05:21.511909300 -0500
--- zone.tab	2013-01-07 08:18:15.587807500 -0500
***************
*** 159,165 ****
  CX	-1025+10543	Indian/Christmas
  CY	+3510+03322	Asia/Nicosia
  CZ	+5005+01426	Europe/Prague
! DE	+5230+01322	Europe/Berlin
  DJ	+1136+04309	Africa/Djibouti
  DK	+5540+01235	Europe/Copenhagen
  DM	+1518-06124	America/Dominica
--- 159,166 ----
  CX	-1025+10543	Indian/Christmas
  CY	+3510+03322	Asia/Nicosia
  CZ	+5005+01426	Europe/Prague
! DE	+5230+01322	Europe/Berlin	Germany except Busingen
! DE	+4742+00841	Europe/Busingen	Busingen Germany
  DJ	+1136+04309	Africa/Djibouti
  DK	+5540+01235	Europe/Copenhagen
  DM	+1518-06124	America/Dominica


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