46 lines
1.7 KiB
Diff
46 lines
1.7 KiB
Diff
From 39c661ee11b6d199befcc28ef10867b55620dfac Mon Sep 17 00:00:00 2001
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From: Paul Eggert <eggert@cs.ucla.edu>
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Date: Wed, 22 Jul 2020 16:37:01 -0700
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Subject: [PATCH 21/47] Update Bahrain as per article in The National
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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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* backzone (Asia/Bahrain): Adjust transitions before 1944 to
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match Ashleigh Stewart’s article in today’s The National (Abu Dhabi).
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---
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backzone | 17 ++++++++++++++++-
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1 file changed, 16 insertions(+), 1 deletion(-)
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diff --git a/backzone b/backzone
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index 91fa21d..7cf026d 100644
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--- a/backzone
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+++ b/backzone
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@@ -459,7 +459,22 @@ Zone Asia/Aden 2:59:54 - LMT 1950
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3:00 - +03
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# Bahrain
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-Zone Asia/Bahrain 3:22:20 - LMT 1920 # Manamah
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+#
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+# From Paul Eggert (2020-07-22):
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+# Most of this data comes from:
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+# Stewart A. Why Gulf Standard Time is far from standard: the fascinating story
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+# behind the time zone's invention. The National (Abu Dhabi). 2020-07-22.
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+# https://www.thenational.ae/arts-culture/why-gulf-standard-time-is-far-from-standard-the-fascinating-story-behind-the-time-zone-s-invention-1.1052589
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+# Stewart writes that before 1940 some companies in Bahrain were at +0330 and
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+# others at +0323. Reginald George Alban, a British political agent based in
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+# Manama, worked to standardize this, and from 1941-07-20 Bahrain was at
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+# +0330. However, BOAC asked that clocks be moved to gain more light at day's
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+# end, so Bahrain switched to +04 on 1944-01-01.
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+#
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+# We don't know when companies chose +0330 or +0323 before 1940; for now
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+# assume that there was no real standard in Bahrain before 1941-07-20.
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+Zone Asia/Bahrain 3:22:20 - LMT 1941 Jul 20 # Manamah
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+ 3:30 - +0330 1944 Jan 1
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4:00 - +04 1972 Jun
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3:00 - +03
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--
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1.8.3.1
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