diff options
Diffstat (limited to 'timezone/southamerica')
| -rw-r--r-- | timezone/southamerica | 119 |
1 files changed, 97 insertions, 22 deletions
diff --git a/timezone/southamerica b/timezone/southamerica index 643ac5e10b..b51e7cfd50 100644 --- a/timezone/southamerica +++ b/timezone/southamerica @@ -1,4 +1,4 @@ -# @(#)southamerica 7.38 +# @(#)southamerica 7.40 # This data is by no means authoritative; if you think you know better, # go ahead and edit the file (and please send any changes to @@ -474,8 +474,7 @@ Zone America/Eirunepe -4:39:28 - LMT 1914 -5:00 - ACT # # Acre (AC) -# Rio_Branco is too ambiguous, since there's a Rio Branco in Uruguay too. -Zone America/Porto_Acre -4:31:12 - LMT 1914 +Zone America/Rio_Branco -4:31:12 - LMT 1914 -5:00 Brazil AC%sT 1988 Sep 12 -5:00 - ACT @@ -494,17 +493,29 @@ Zone America/Porto_Acre -4:31:12 - LMT 1914 # Because of the same drought, the government decided to end DST later, # on April 3, (one-time change). +# From Gwillim Law (2001-02-20): +# I came across a Chilean on-line newspaper, La Tercera. Its +# <a href="http://www.tercera.cl/diario/1998/03/13/extras.html"> +# 1998-03-13 issue +# </a>, says (my translation): +# "At 24:00 (midnight) tomorrow (Saturday) - 22:00 in the insular +# territory [Easter Island, Juan Fernandez, etc.] - winter time will +# begin in the entire country." + +# From Paul Eggert (2001-02-21): +# Assume this rule has been used since DST was introduced in the islands. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Chile 1918 only - Sep 1 0:00 1:00 S Rule Chile 1919 only - Jul 2 0:00 0 - Rule Chile 1927 1931 - Sep 1 0:00 1:00 S Rule Chile 1928 1932 - Apr 1 0:00 0 - -Rule Chile 1969 1997 - Oct Sun>=9 0:00 1:00 S -Rule Chile 1970 1998 - Mar Sun>=9 0:00 0 - -Rule Chile 1998 only - Sep 27 0:00 1:00 S -Rule Chile 1999 only - Apr 4 0:00 0 - -Rule Chile 1999 max - Oct Sun>=9 0:00 1:00 S -Rule Chile 2000 max - Mar Sun>=9 0:00 0 - +Rule Chile 1969 1997 - Oct Sun>=9 4:00u 1:00 S +Rule Chile 1970 1998 - Mar Sun>=9 3:00u 0 - +Rule Chile 1998 only - Sep 27 4:00u 1:00 S +Rule Chile 1999 only - Apr 4 3:00u 0 - +Rule Chile 1999 max - Oct Sun>=9 4:00u 1:00 S +Rule Chile 2000 max - Mar Sun>=9 3:00u 0 - # IATA SSIM anomalies: (1990-09) says 1990-09-16; (1992-02) says 1992-03-14; # (1996-09) says 1998-03-08. Ignore these. # Zone NAME GMTOFF RULES FORMAT [UNTIL] @@ -555,6 +566,56 @@ Zone Pacific/Galapagos -5:58:24 - LMT 1931 # Puerto Baquerizo Moreno -6:00 - GALT # Galapagos Time # Falklands + +# From Paul Eggert (2001-03-05): +# Between 1990 and 2000 inclusive, Shanks and the IATA agree except +# the IATA gives 1996-09-08. Go with Shanks. + +# From Falkland Islands Government Office, London (2001-01-22) +# via Jesper Norgaard: +# ... the clocks revert back to Local Mean Time at 2 am on Sunday 15 +# April 2001 and advance one hour to summer time at 2 am on Sunday 2 +# September. It is anticipated that the clocks will revert back at 2 +# am on Sunday 21 April 2002 and advance to summer time at 2 am on +# Sunday 1 September. + +# From Rives McDow (2001-02-13): +# +# I have communicated several times with people there, and the last +# time I had communications that was helpful was in 1998. Here is +# what was said then: +# +# "The general rule was that Stanley used daylight saving and the Camp +# did not. However for various reasons many people in the Camp have +# started to use daylight saving (known locally as 'Stanley Time') +# There is no rule as to who uses daylight saving - it is a matter of +# personal choice and so it is impossible to draw a map showing who +# uses it and who does not. Any list would be out of date as soon as +# it was produced. This year daylight saving ended on April 18/19th +# and started again on September 12/13th. I do not know what the rule +# is, but can find out if you like. We do not change at the same time +# as UK or Chile." +# +# I did have in my notes that the rule was "Second Saturday in Sep at +# 0:00 until third Saturday in Apr at 0:00". I think that this does +# not agree in some cases with Shanks; is this true? +# +# Also, there is no mention in the list that some areas in the +# Falklands do not use DST. I have found in my communications there +# that these areas are on the western half of East Falkland and all of +# West Falkland. Stanley is the only place that consistently observes +# DST. Again, as in other places in the world, the farmers don't like +# it. West Falkland is almost entirely sheep farmers. +# +# I know one lady there that keeps a list of which farm keeps DST and +# which doesn't each year. She runs a shop in Stanley, and says that +# the list changes each year. She uses it to communicate to her +# customers, catching them when they are home for lunch or dinner. + +# From Paul Eggert (2001-03-05): +# For now, we'll just record the time in Stanley, since we have no +# better info. + # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S Rule Falk 1937 1938 - Sep lastSun 0:00 1:00 S Rule Falk 1938 1942 - Mar Sun>=19 0:00 0 - @@ -564,9 +625,10 @@ Rule Falk 1943 only - Jan 1 0:00 0 - Rule Falk 1983 only - Sep lastSun 0:00 1:00 S Rule Falk 1984 1985 - Apr lastSun 0:00 0 - Rule Falk 1984 only - Sep 16 0:00 1:00 S -Rule Falk 1985 1995 - Sep Sun>=9 0:00 1:00 S -Rule Falk 1986 max - Apr Sun>=16 0:00 0 - -Rule Falk 1996 max - Sep Sun>=8 0:00 1:00 S +Rule Falk 1985 2000 - Sep Sun>=9 0:00 1:00 S +Rule Falk 1986 2000 - Apr Sun>=16 0:00 0 - +Rule Falk 2001 max - Apr Sun>=15 2:00 0 - +Rule Falk 2001 max - Sep Sun>=1 2:00 1:00 S # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone Atlantic/Stanley -3:51:24 - LMT 1890 -3:51:24 - SMT 1912 Mar 12 # Stanley Mean Time @@ -607,19 +669,32 @@ Rule Para 1993 only - Mar 31 0:00 0 - Rule Para 1993 1995 - Oct 1 0:00 1:00 S Rule Para 1994 1995 - Feb lastSun 0:00 0 - Rule Para 1996 only - Mar 1 0:00 0 - -# IATA SSIM (1997-09) says Mar 1; go with Shanks. -Rule Para 1997 only - Feb lastSun 0:00 0 - -Rule Para 1998 only - Mar 1 0:00 0 - -Rule Para 1996 1998 - Oct Sun>=1 0:00 1:00 S -# IATA SSIM (1999-02) says lastSat, not lastSun; (1999-09) reports no date; -# go with Shanks. -Rule Para 1999 max - Feb lastSun 0:00 0 - -# IATA SSIM (2000-02) says 1999-10-10. -Rule Para 1999 only - Oct 10 0:00 1:00 S +# IATA SSIM (2000-02) says 1999-10-10; ignore this for now. # From Steffen Thorsen (2000-10-02): # I have three independent reports that Paraguay changed to DST this Sunday # (10-01). -Rule Para 2000 max - Oct Sun>=1 0:00 1:00 S +# +# Translated by Gwillim Law (2001-02-27) from +# <a href="http://www.diarionoticias.com.py/011000/nacional/naciona1.htm"> +# Noticias, a daily paper in Asuncion, Paraguay (2000-10-01) +# </a>: +# Starting at 0:00 today, the clock will be set forward 60 minutes, in +# fulfillment of Decree No. 7,273 of the Executive Power.... The time change +# system has been operating for several years. Formerly there was a separate +# decree each year; the new law has the same effect, but permanently. Every +# year, the time will change on the first Sunday of October; likewise, the +# clock will be set back on the first Sunday of March. +# +# From Jesper Norgaard (2001-03-06) [an official URL saying similar things]: +# http://gateway.abc.com.py:8000/pub/pag04.mbr/artic?FHA=2001-03-03-02.24.52.900592 +# +Rule Para 1996 max - Oct Sun>=1 0:00 1:00 S +# IATA SSIM (1997-09) says Mar 1; go with Shanks. +Rule Para 1997 only - Feb lastSun 0:00 0 - +# Shanks says 1999-02-28; IATA SSIM (1999-02) says 1999-02-27, but +# (1999-09) reports no date; go with above sources and Gerd Knops (2001-02-27). +Rule Para 1998 max - Mar Sun>=1 0:00 0 - + # Zone NAME GMTOFF RULES FORMAT [UNTIL] Zone America/Asuncion -3:50:40 - LMT 1890 -3:50:40 - AMT 1931 Oct 10 # Asuncion Mean Time |