106 lines
4.6 KiB
Diff
106 lines
4.6 KiB
Diff
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From 1d0ae801a6fa85ba824ca6c017f75eab54657eba Mon Sep 17 00:00:00 2001
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From: Paul Eggert <eggert@cs.ucla.edu>
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Date: Mon, 18 Dec 2023 23:27:30 -0800
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Subject: [PATCH] Vostok was at +07 and just switched to +05
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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* NEWS: Mention this.
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* backzone (Antarctica/Vostok): Move from here ...
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* antarctica (Antarctica/Vostok): ... to here, with fixes from
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Zakhary V. Akulov. Also, record 1994 closure.
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* backward (Antarctica/Vostok): Remove Link, as it’s now a Zone.
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* zone1970.tab (Antarctica/Vostok): Copy entry from zone.tab.
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(Asia/Urumqi): No longer a standin for Vostok.
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Conclicts: remove the NEWS, aisa, backzone, zone1970.tab part and
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adapt antarctica because don't backport 0b925f6d8
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---
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antarctica | 69 ++++++++++++++++++++++++++++++++++++++++++++-
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1 file changed, 44 insertions(+), 25 deletions(-)
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diff --git a/antarctica b/antarctica
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index fc603e99..9931378b 100644
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--- a/antarctica
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+++ b/antarctica
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@@ -240,31 +240,50 @@ Zone Antarctica/Troll 0 - -00 2005 Feb 12
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# year-round from 1960/61 to 1992
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# Vostok, since 1957-12-16, temporarily closed 1994-02/1994-11
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-# From Craig Mundell (1994-12-15):
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-# http://quest.arc.nasa.gov/antarctica/QA/computers/Directions,Time,ZIP
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-# Vostok, which is one of the Russian stations, is set on the same
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-# time as Moscow, Russia.
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-#
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-# From Lee Hotz (2001-03-08):
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-# I queried the folks at Columbia who spent the summer at Vostok and this is
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-# what they had to say about time there:
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-# "in the US Camp (East Camp) we have been on New Zealand (McMurdo)
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-# time, which is 12 hours ahead of GMT. The Russian Station Vostok was
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-# 6 hours behind that (although only 2 miles away, i.e. 6 hours ahead
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-# of GMT). This is a time zone I think two hours east of Moscow. The
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-# natural time zone is in between the two: 8 hours ahead of GMT."
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-#
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-# From Paul Eggert (2001-05-04):
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-# This seems to be hopelessly confusing, so I asked Lee Hotz about it
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-# in person. He said that some Antarctic locations set their local
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-# time so that noon is the warmest part of the day, and that this
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-# changes during the year and does not necessarily correspond to mean
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-# solar noon. So the Vostok time might have been whatever the clocks
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-# happened to be during their visit. So we still don't really know what time
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-# it is at Vostok. But we'll guess +06.
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-#
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-Zone Antarctica/Vostok 0 - -00 1957 Dec 16
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- 6:00 - +06
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+# From Craig Mundell (1994-12-15):
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+# http://quest.arc.nasa.gov/antarctica/QA/computers/Directions,Time,ZIP
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+# Vostok, which is one of the Russian stations, is set on the same
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+# time as Moscow, Russia.
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+#
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+# From Lee Hotz (2001-03-08):
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+# I queried the folks at Columbia who spent the summer at Vostok and this is
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+# what they had to say about time there:
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+# "in the US Camp (East Camp) we have been on New Zealand (McMurdo)
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+# time, which is 12 hours ahead of GMT. The Russian Station Vostok was
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+# 6 hours behind that (although only 2 miles away, i.e. 6 hours ahead
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+# of GMT). This is a time zone I think two hours east of Moscow. The
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+# natural time zone is in between the two: 8 hours ahead of GMT."
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+#
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+# From Paul Eggert (2001-05-04):
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+# This seems to be hopelessly confusing, so I asked Lee Hotz about it
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+# in person. He said that some Antarctic locations set their local
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+# time so that noon is the warmest part of the day, and that this
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+# changes during the year and does not necessarily correspond to mean
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+# solar noon. So the Vostok time might have been whatever the clocks
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+# happened to be during their visit. So we still don't really know what time
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+# it is at Vostok.
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+#
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+# From Zakhary V. Akulov (2023-12-17 22:00:48 +0700):
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+# ... from December, 18, 2023 00:00 by my decision the local time of
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+# the Antarctic research base Vostok will correspond to UTC+5.
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+# (2023-12-19): We constantly interact with Progress base, with company who
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+# builds new wintering station, with sledge convoys, with aviation - they all
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+# use UTC+5. Besides, difference between Moscow time is just 2 hours now, not 4.
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+# (2023-12-19, in response to the question "Has local time at Vostok
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+# been UTC+6 ever since 1957, or has it changed before?"): No. At least
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+# since my antarctic career start, 10 years ago, Vostok base has UTC+7.
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+# (In response to a 2023-12-18 question "from 02:00 to 00:00 today"): This.
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+#
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+# From Paul Eggert (2023-12-18):
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+# For lack of better info, guess Vostok was at +07 from founding through today,
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+# except when closed.
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+
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+# Zone NAME STDOFF RULES FORMAT [UNTIL]
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+Zone Antarctica/Vostok 0 - -00 1957 Dec 16
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+ 7:00 - +07 1994 Feb
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+ 0 - -00 1994 Nov
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+ 7:00 - +07 2023 Dec 18 2:00
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+ 5:00 - +05
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# S Africa - year-round bases
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# Marion Island, -4653+03752
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--
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2.23.0
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