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* europe (Europe/Zurich): Move 1848 transition to 1855.

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Paul Eggert
2013-09-09 21:49:20 -07:00
parent d7680ffd3d
commit 147ea0873b
1 changed files with 10 additions and 1 deletions
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europe
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@ -2661,11 +2661,20 @@ Zone Europe/Stockholm 1:12:12 - LMT 1879 Jan 1
# follow Bern Mean Time but kept its own local mean time.
# To represent this, an extra zone would be needed.
# From Paul Eggert (2013-09-09):
# We can find no reliable source for Shanks's claim that all of Switzerland
# except Geneva switched to Bern Mean Time at 00:00 on 1848-09-12. On the
# contrary, a more-reliable source talks about "the gradual introduction of a
# national time (from the 1850s)" (Google translation) with a switch to CET in
# 1894; see Speich's review of Messerli's thesis, Traverse 1997/3, 131-3
# <http://www.tg.ethz.ch/dokumente/pdf_files/rez_messerli.pdf>. For now, model
# this messy process as a transition in 1855. The "0:29:44" is also suspect.
# Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
Rule Swiss 1941 1942 - May Mon>=1 1:00 1:00 S
Rule Swiss 1941 1942 - Oct Mon>=1 2:00 0 -
# Zone NAME GMTOFF RULES FORMAT [UNTIL]
Zone Europe/Zurich 0:34:08 - LMT 1848 Sep 12
Zone Europe/Zurich 0:34:08 - LMT 1855 # See above comment.
0:29:44 - BMT 1894 Jun # Bern Mean Time
1:00 Swiss CE%sT 1981
1:00 EU CE%sT