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2016-11-04

2016-11-04 17:05:53 by Henrik Grubbström (Grubba) <grubba@grubba.org>

Updated to tzdata2016i.

1500:   # But these events all occurred before the 1970 cutoff,   # so record only the time in Rome.   # - # From Paul Eggert (2006-03-22): - # For Italian DST we have three sources: Shanks & Pottenger, Whitman, and - # F. Pollastri - # Day-light Saving Time in Italy (2006-02-03) - # http://toi.iriti.cnr.it/uk/ienitlt.html - # ('FP' below), taken from an Italian National Electrotechnical Institute - # publication. When the three sources disagree, guess who's right, as follows: + # From Michael Deckers (2016-10-24): + # http://www.ac-ilsestante.it/MERIDIANE/ora_legale quotes a law of 1893-08-10 + # ... [translated as] "The preceding dispositions will enter into + # force at the instant at which, according to the time specified in + # the 1st article, the 1st of November 1893 will begin...."   # - # year FP Shanks&P. (S) Whitman (W) Go with: - # 1916 06-03 06-03 24:00 06-03 00:00 FP & W - # 09-30 09-30 24:00 09-30 01:00 FP; guess 24:00s - # 1917 04-01 03-31 24:00 03-31 00:00 FP & S - # 09-30 09-29 24:00 09-30 01:00 FP & W - # 1918 03-09 03-09 24:00 03-09 00:00 FP & S - # 10-06 10-05 24:00 10-06 01:00 FP & W - # 1919 03-01 03-01 24:00 03-01 00:00 FP & S - # 10-04 10-04 24:00 10-04 01:00 FP; guess 24:00s - # 1920 03-20 03-20 24:00 03-20 00:00 FP & S - # 09-18 09-18 24:00 10-01 01:00 FP; guess 24:00s - # 1944 04-02 04-03 02:00 S (see C-Eur) - # 09-16 10-02 03:00 FP; guess 24:00s - # 1945 09-14 09-16 24:00 FP; guess 24:00s - # 1970 05-21 05-31 00:00 S - # 09-20 09-27 00:00 S + # From Pierpaolo Bernardi (2016-10-20): + # The authoritative source for time in Italy is the national metrological + # institute, which has a summary page of historical DST data at + # http://www.inrim.it/res/tf/ora_legale_i.shtml + # (2016-10-24): + # http://www.renzobaldini.it/le-ore-legali-in-italia/ + # has still different data for 1944. It divides Italy in two, as + # there were effectively two governments at the time, north of Gothic + # Line German controlled territory, official government RSI, and south + # of the Gothic Line, controlled by allied armies.   # -  + # From Brian Inglis (2016-10-23): + # Viceregal LEGISLATIVE DECREE. 14 September 1944, no. 219. + # Restoration of Standard Time. (044U0219) (OJ 62 of 30.9.1944) ... + # Given the R. law decreed on 1944-03-29, no. 92, by which standard time is + # advanced to sixty minutes later starting at hour two on 1944-04-02; ... + # Starting at hour three on the date 1944-09-17 standard time will be resumed. + # + # From Paul Eggert (2016-10-27): + # Go with INRiM for DST rules, except as corrected by Inglis for 1944 + # for the Kingdom of Italy. This is consistent with Renzo Baldini. + # Model Rome's occupation by using using C-Eur rules from 1943-09-10 + # to 1944-06-04; although Rome was an open city during this period, it + # was effectively controlled by Germany. + #   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S - Rule Italy 1916 only - Jun 3 0:00s 1:00 S - Rule Italy 1916 only - Oct 1 0:00s 0 - - Rule Italy 1917 only - Apr 1 0:00s 1:00 S - Rule Italy 1917 only - Sep 30 0:00s 0 - - Rule Italy 1918 only - Mar 10 0:00s 1:00 S - Rule Italy 1918 1919 - Oct Sun>=1 0:00s 0 - - Rule Italy 1919 only - Mar 2 0:00s 1:00 S - Rule Italy 1920 only - Mar 21 0:00s 1:00 S - Rule Italy 1920 only - Sep 19 0:00s 0 - - Rule Italy 1940 only - Jun 15 0:00s 1:00 S - Rule Italy 1944 only - Sep 17 0:00s 0 - - Rule Italy 1945 only - Apr 2 2:00 1:00 S - Rule Italy 1945 only - Sep 15 0:00s 0 - - Rule Italy 1946 only - Mar 17 2:00s 1:00 S - Rule Italy 1946 only - Oct 6 2:00s 0 - - Rule Italy 1947 only - Mar 16 0:00s 1:00 S - Rule Italy 1947 only - Oct 5 0:00s 0 - - Rule Italy 1948 only - Feb 29 2:00s 1:00 S - Rule Italy 1948 only - Oct 3 2:00s 0 - - Rule Italy 1966 1968 - May Sun>=22 0:00 1:00 S - Rule Italy 1966 1969 - Sep Sun>=22 0:00 0 - - Rule Italy 1969 only - Jun 1 0:00 1:00 S - Rule Italy 1970 only - May 31 0:00 1:00 S - Rule Italy 1970 only - Sep lastSun 0:00 0 - - Rule Italy 1971 1972 - May Sun>=22 0:00 1:00 S - Rule Italy 1971 only - Sep lastSun 1:00 0 - - Rule Italy 1972 only - Oct 1 0:00 0 - - Rule Italy 1973 only - Jun 3 0:00 1:00 S - Rule Italy 1973 1974 - Sep lastSun 0:00 0 - - Rule Italy 1974 only - May 26 0:00 1:00 S - Rule Italy 1975 only - Jun 1 0:00s 1:00 S - Rule Italy 1975 1977 - Sep lastSun 0:00s 0 - - Rule Italy 1976 only - May 30 0:00s 1:00 S - Rule Italy 1977 1979 - May Sun>=22 0:00s 1:00 S - Rule Italy 1978 only - Oct 1 0:00s 0 - - Rule Italy 1979 only - Sep 30 0:00s 0 - + Rule Italy 1916 only - Jun 3 24:00 1:00 S + Rule Italy 1916 1917 - Sep 30 24:00 0 - + Rule Italy 1917 only - Mar 31 24:00 1:00 S + Rule Italy 1918 only - Mar 9 24:00 1:00 S + Rule Italy 1918 only - Oct 6 24:00 0 - + Rule Italy 1919 only - Mar 1 24:00 1:00 S + Rule Italy 1919 only - Oct 4 24:00 0 - + Rule Italy 1920 only - Mar 20 24:00 1:00 S + Rule Italy 1920 only - Sep 18 24:00 0 - + Rule Italy 1940 only - Jun 14 24:00 1:00 S + Rule Italy 1942 only - Nov 2 2:00s 0 - + Rule Italy 1943 only - Mar 29 2:00s 1:00 S + Rule Italy 1943 only - Oct 4 2:00s 0 - + Rule Italy 1944 only - Apr 2 2:00s 1:00 S + Rule Italy 1944 only - Sep 17 2:00s 0 - + Rule Italy 1945 only - Apr 2 2:00 1:00 S + Rule Italy 1945 only - Sep 15 1:00 0 - + Rule Italy 1946 only - Mar 17 2:00s 1:00 S + Rule Italy 1946 only - Oct 6 2:00s 0 - + Rule Italy 1947 only - Mar 16 0:00s 1:00 S + Rule Italy 1947 only - Oct 5 0:00s 0 - + Rule Italy 1948 only - Feb 29 2:00s 1:00 S + Rule Italy 1948 only - Oct 3 2:00s 0 - + Rule Italy 1966 1968 - May Sun>=22 0:00s 1:00 S + Rule Italy 1966 only - Sep 24 24:00 0 - + Rule Italy 1967 1969 - Sep Sun>=22 0:00s 0 - + Rule Italy 1969 only - Jun 1 0:00s 1:00 S + Rule Italy 1970 only - May 31 0:00s 1:00 S + Rule Italy 1970 only - Sep lastSun 0:00s 0 - + Rule Italy 1971 1972 - May Sun>=22 0:00s 1:00 S + Rule Italy 1971 only - Sep lastSun 0:00s 0 - + Rule Italy 1972 only - Oct 1 0:00s 0 - + Rule Italy 1973 only - Jun 3 0:00s 1:00 S + Rule Italy 1973 1974 - Sep lastSun 0:00s 0 - + Rule Italy 1974 only - May 26 0:00s 1:00 S + Rule Italy 1975 only - Jun 1 0:00s 1:00 S + Rule Italy 1975 1977 - Sep lastSun 0:00s 0 - + Rule Italy 1976 only - May 30 0:00s 1:00 S + Rule Italy 1977 1979 - May Sun>=22 0:00s 1:00 S + Rule Italy 1978 only - Oct 1 0:00s 0 - + Rule Italy 1979 only - Sep 30 0:00s 0 -   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Europe/Rome 0:49:56 - LMT 1866 Sep 22 -  0:49:56 - RMT 1893 Nov 1 0:00s # Rome Mean -  1:00 Italy CE%sT 1942 Nov 2 2:00s -  1:00 C-Eur CE%sT 1944 Jul +  0:49:56 - RMT 1893 Oct 31 23:49:56 # Rome Mean +  1:00 Italy CE%sT 1943 Sep 10 +  1:00 C-Eur CE%sT 1944 Jun 4    1:00 Italy CE%sT 1980    1:00 EU CE%sT   
1765:   # See Europe/Belgrade.      # Malta + # + # From Paul Eggert (2016-10-21): + # Assume 1900-1972 was like Rome, overriding Shanks. + #   # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S   Rule Malta 1973 only - Mar 31 0:00s 1:00 S   Rule Malta 1973 only - Sep 29 0:00s 0 -
1775:   Rule Malta 1980 only - Mar 31 2:00 1:00 S   # Zone NAME GMTOFF RULES FORMAT [UNTIL]   Zone Europe/Malta 0:58:04 - LMT 1893 Nov 2 0:00s # Valletta -  1:00 Italy CE%sT 1942 Nov 2 2:00s -  1:00 C-Eur CE%sT 1945 Apr 2 2:00s +     1:00 Italy CE%sT 1973 Mar 31    1:00 Malta CE%sT 1981    1:00 EU CE%sT
1908:   # Amsterdam mean time.      # The data entries before 1945 are taken from - # http://www.staff.science.uu.nl/~gent0113/idl/idl.htm + # http://www.staff.science.uu.nl/~gent0113/wettijd/wettijd.htm      # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S   Rule Neth 1916 only - May 1 0:00 1:00 NST # Netherlands Summer Time