From aa1fdc50b12698fa77096e3ae515f4c4fd2a35a2 Mon Sep 17 00:00:00 2001 From: Paul Eggert Date: Tue, 18 Oct 2016 22:18:47 -0700 Subject: [PROPOSED PATCH] Use numeric time zone abbrs for Asia/Colombo ("SLST" mentioned by Sadika Sumanapala.) * NEWS: Document this. * asia (Asia/Colombo): Prefer numeric time zone abbreviations. --- NEWS | 8 ++++++++ asia | 56 +++++++++++++++++++++----------------------------------- 2 files changed, 29 insertions(+), 35 deletions(-) diff --git a/NEWS b/NEWS index a3b5f1c..b7f3501 100644 --- a/NEWS +++ b/NEWS @@ -8,6 +8,14 @@ Unreleased, experimental changes not at 02:00, and the spring 1994 transition was on March 20, not March 27. (Thanks to Kıvanç Yazan.) + Changes to past and future time zone abbreviations + + Asia/Colombo now uses numeric time zone abbreviations like "+0530" + instead of alphabetic ones like "IST" and "LKT". Various + English-language sources use "IST", "LKT" and "SLST", with no + working consensus. (Usage of "SLST" mentioned by Sadika + Sumanapala.) + Changes to code zic no longer mishandles relativizing file names when creating diff --git a/asia b/asia index 71ef878..053085c 100644 --- a/asia +++ b/asia @@ -2739,45 +2739,31 @@ Zone Asia/Singapore 6:55:25 - LMT 1901 Jan 1 # People who live in regions under Tamil control can use [TZ='Asia/Kolkata'], # as that zone has agreed with the Tamil areas since our cutoff date of 1970. -# From K Sethu (2006-04-25): -# I think the abbreviation LKT originated from the world of computers at -# the time of or subsequent to the time zone changes by SL Government -# twice in 1996 and probably SL Government or its standardization -# agencies never declared an abbreviation as a national standard. -# -# I recollect before the recent change the government announcements -# mentioning it as simply changing Sri Lanka Standard Time or Sri Lanka -# Time and no mention was made about the abbreviation. -# -# If we look at Sri Lanka Department of Government's "Official News -# Website of Sri Lanka" ... http://www.news.lk/ we can see that they -# use SLT as abbreviation in time stamp at the beginning of each news -# item.... -# -# Within Sri Lanka I think LKT is well known among computer users and -# administrators. In my opinion SLT may not be a good choice because the -# nation's largest telcom / internet operator Sri Lanka Telcom is well -# known by that abbreviation - simply as SLT (there IP domains are -# slt.lk and sltnet.lk). -# -# But if indeed our government has adopted SLT as standard abbreviation -# (that we have not known so far) then it is better that it be used for -# all computers. - -# From Paul Eggert (2006-04-25): -# One possibility is that we wait for a bit for the dust to settle down -# and then see what people actually say in practice. +# From Sadika Sumanapala (2016-10-19): +# According to http://www.sltime.org (maintained by Measurement Units, +# Standards & Services Department, Sri Lanka) abbreviation for Sri Lanka +# standard time is SLST. +# +# From Paul Eggert (2016-10-18): +# "SLST" seems to be reasonably recent and rarely-used outside time +# zone nerd sources. I searched Google News and found three uses of +# it in the International Business Times of India in February and +# March of this year when discussing cricket match times, but nothing +# since then (though there has been a lot of cricket) and nothing in +# other English-language news sources. Our old abbreviation "LKT" is +# even worse. For now, let's use a numeric abbreviation; we can +# switch to "SLST" if it catches on. # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Asia/Colombo 5:19:24 - LMT 1880 5:19:32 - MMT 1906 # Moratuwa Mean Time - 5:30 - IST 1942 Jan 5 - 5:30 0:30 IHST 1942 Sep - 5:30 1:00 IST 1945 Oct 16 2:00 - 5:30 - IST 1996 May 25 0:00 - 6:30 - LKT 1996 Oct 26 0:30 - 6:00 - LKT 2006 Apr 15 0:30 - 5:30 - IST + 5:30 - +0530 1942 Jan 5 + 5:30 0:30 +0530/+06 1942 Sep + 5:30 1:00 +0530/+0630 1945 Oct 16 2:00 + 5:30 - +0530 1996 May 25 0:00 + 6:30 - +0630 1996 Oct 26 0:30 + 6:00 - +06 2006 Apr 15 0:30 + 5:30 - +0530 # Syria # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S -- 2.7.4