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- Subject: v18i114: Table-driven ctime/time/localtime/date package, Part04/07
- Newsgroups: comp.sources.unix
- Sender: sources
- Approved: rsalz@uunet.UU.NET
-
- Submitted-by: ado@ncifcrf.gov
- Posting-number: Volume 18, Issue 114
- Archive-name: localtime3/part04
-
- : To unbundle, sh this file
- echo file 'africa' >&2
- cat >'africa' <<'End of africa'
- # @(#)africa 7.1
-
- ###############################################################################
-
- # Egypt
-
- # From Bob Devine (January 28, 1988):
- # Egypt: DST from first day of May to first of October (ending may
- # also be on Sept 30th not 31st -- you might want to ask one of the
- # soc.* groups, you might hit someone who could ask an embassy).
- # DST since 1960 except for 1981-82.
-
- # From U. S. Naval Observatory (January 19, 1989):
- # EGYPT 2 H AHEAD OF UTC
- # EGYPT 3 H AHEAD OF UTC MAY 17 - SEP 30 (AFTER
- # EGYPT RAMADAN)
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Egypt 1960 max - May 1 2:00 1:00 " DST"
- Rule Egypt 1960 max - Oct 1 2:00 0 -
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Egypt 2:00 Egypt EET%s 1981
- 2:00 - EET 1983
- 2:00 Egypt EET%s
-
- ###############################################################################
-
- # Libya
-
- # From Bob Devine (January 28 1988):
- # Libya: Since 1982 April 1st to September 30th (?)
-
- # From U. S. Naval Observatory (January 19, 1989):
- # LIBYAN ARAB 1 H AHEAD OF UTC JAMAHIRIYA/LIBYA
- # LIBYAN ARAB 2 H AHEAD OF UTC APR 1 - SEP 30 JAMAHIRIYA/LIBYA
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Libya 1982 max - Apr 1 2:00 1:00 " DST"
- Rule Libya 1982 max - Sep 30 2:00 0 -
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Libya 2:00 Libya EET%s
- End of africa
- echo file 'antarctica' >&2
- cat >'antarctica' <<'End of antarctica'
- # @(#)antarctica 7.1
-
- # From Arthur David Olson (February 13, 1988):
- # No data available.
- End of antarctica
- echo file 'asia' >&2
- cat >'asia' <<'End of asia'
- # @(#)asia 7.1
-
- # From Guy Harris:
- # Incorporates data for Singapore from Robert Elz' asia 1.1, as well as
- # additional information from Tom Yap, Sun Microsystems Intercontinental
- # Technical Support (including a page from the Official Airline Guide -
- # Worldwide Edition). The names for time zones are guesses.
-
- ###############################################################################
-
- # People's Republic of China
-
- # From Guy Harris:
- # People's Republic of China. Yes, they really have only one time zone.
-
- # From Bob Devine (January 28, 1988):
- # No they don't. See TIME mag, February 17, 1986 p.52. Even though
- # China is across 4 physical time zones, before Feb 1, 1986 only the
- # Peking (Bejing) time zone was recognized. Since that date, China
- # has two of 'em -- Peking's and Urumqi (named after the capital of
- # the Xinjiang Uighur Autonomous Region). I don't know about DST for it.
- #
- # . . .I just deleted the DST table and this editor makes it too
- # painful to suck in another copy.. So, here is what I have for
- # DST start/end dates for Peking's time zone (info from AP):
- #
- # 1986 May 4 - Sept 14
- # 1987 mid-April - ??
-
- # From U. S. Naval Observatory (January 19, 1989):
- # CHINA 8 H AHEAD OF UTC ALL OF CHINA, INCL TAIWAN
- # CHINA 9 H AHEAD OF UTC APR 17 - SEP 10
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule PRC 1970 max - Apr Sun<=14 2:00 1:00 D
- Rule PRC 1970 max - Sep Sun<=14 3:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone PRC 8:00 PRC C%sT
-
- ###############################################################################
-
- # Republic of China
-
- # From Guy Harris
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone ROC 8:00 - CST
-
- ###############################################################################
-
- # Hongkong
-
- # From Guy Harris
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Hongkong 8:00 - HKT
-
- ###############################################################################
-
- # Iran
-
- # From Bob Devine (January 28, 1988):
- # Iran: Last Sunday in March to third (?) Sunday in
- # September. Since the revolution, the official calendar is Monarchic
- # calendar; I have no idea what the correspondence between dates are.
-
- # From U. S. Naval Observatory (January 19, 1989):
- # IRAN 3.5H AHEAD OF UTC
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Iran 1988 max - Mar lastSun 2:00 1:00 D
- Rule Iran 1988 max - Sep Sun>=15 2:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Iran 3:30 Iran I%sT
-
- ###############################################################################
-
- # Israel
-
- # From U. S. Naval Observatory (January 19, 1989):
- # ISRAEL 2 H AHEAD OF UTC
- # ISRAEL 3 H AHEAD OF UTC APR 10 - SEP 3
-
- # From Arthur David Olson (January 21, 1989):
- # Stick with rules below (which were provided by Guy Harris and which were
- # posted in 1988) for now.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Israel 1987 max - Apr Sun<=21 2:00 1:00 D
- Rule Israel 1987 max - Aug Sat<=28 2:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Israel 3:00 Israel I%sT
-
- ###############################################################################
-
- # Japan
-
- # From Guy Harris
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Japan 9:00 - JST
-
- ###############################################################################
-
- # Republic of Korea
-
- # From Guy Harris:
- # According to someone at the Korean Times in San Francisco,
- # Daylight Savings Time was not observed until 1987. He did not know
- # at what time of day DST starts or ends.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule ROK 1987 max - May Sun<=14 2:00 1:00 D
- Rule ROK 1987 max - Oct Sun<=14 3:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone ROK 9:00 ROK K%sT
-
- ###############################################################################
-
- # Lebanon
-
- # From Bob Devine (January 28, 1988):
- # Lebanon: They do have DST but I don't know the dates.
-
- ###############################################################################
-
- # Singapore
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Singapore 8:00 - SST
- End of asia
- echo file 'australasia' >&2
- cat >'australasia' <<'End of australasia'
- # @(#)australasia 7.1
-
- # Incorporates updates for Australia from Robert Elz' australia 1.1
- # and further updates from the Australian consulate.
-
- ###############################################################################
-
- # Australia
-
- # Australian Data (for states with DST), standard rules
- # Includes shift in 1987 to follow Vic/NSW rules for ending DST,
- # and shift in 1986 to start DST earlier.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Oz 1971 1985 - Oct lastSun 2:00 1:00 -
- Rule Oz 1986 max - Oct Sun<=24 2:00 1:00 -
- Rule Oz 1972 only - Feb 27 3:00 0 -
- Rule Oz 1973 1986 - Mar Sun>=1 3:00 0 -
- Rule Oz 1987 max - Mar Sun<=21 3:00 0 -
-
- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
- Zone Australia/Tasmania 10:00 Oz EST
- Zone Australia/Queensland 10:00 - EST # No DST here
- Zone Australia/North 9:30 - CST # No DST here
- Zone Australia/West 8:00 - WST # No DST here
- Zone Australia/South 9:30 Oz CST
-
- # Victoria jumped to a later ending date for DST in 1986 rather than 1987.
-
- Zone Australia/Victoria 10:00 Oz EST 1985 Oct lastSun 2:00
- 10:00 1:00 EST 1986 Mar Sun<=21 3:00
- 10:00 Oz EST
-
- # New South Wales and subjurisdictions have their own ideas of a fun time.
- # Based on law library research by John Mackin (john@basser.cs.su.oz),
- # who notes:
- # In Australia, time is not legislated federally, but rather by the
- # individual states. Thus, while such terms as ``Eastern Standard Time''
- # [I mean, of course, Australian EST, not any other kind] are in common
- # use, _they have NO REAL MEANING_, as they are not defined in the
- # legislation. This is very important to understand.
- # I have researched New South Wales time only; . . .I hope that perhaps a
- # resident of each state could be found to do it for their own state.
- # (And I can guarantee that Victoria and NSW are different, so the link
- # between them in the current australasia file must be broken.)
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule NSW 1971 1985 - Oct lastSun 2:00 1:00 -
- Rule NSW 1972 only - Feb lastSun 3:00 0 -
- Rule NSW 1973 1981 - Mar Sun>=1 3:00 0 -
- Rule NSW 1982 only - Apr 4 3:00 0 -
- Rule NSW 1983 1985 - Mar Sun>=1 3:00 0 -
- Rule NSW 1986 only - Mar 16 3:00 0 -
- Rule NSW 1986 only - Oct 19 2:00 1:00 -
- Rule NSW 1987 only - Mar 15 3:00 0 -
- Rule NSW 1987 max - Oct lastSun 2:00 1:00 -
- Rule NSW 1988 max - Mar Sun<=21 3:00 0 -
-
- # Zone NAME GMTOFF RULES FORMAT [UNTIL]
- Zone Australia/NSW 10:00 NSW EST
- # `Broken Hill' means the County of Yancowinna. [john@basser.cs.su.oz.au,1/4/89]
- Zone Australia/Yancowinna 9:30 NSW ???
- Zone Australia/LHI 10:30 NSW ???
-
- # A footnote here:
- #
- # . . .
- # Date: Thu, j19 Feb 87 12:02:17 EST
- # From: Bradley White <seismo!k.cs.cmu.edu!bww>
- # . . .
- # I am including a description of Australian time zones. . .
- # this stuff is definitely accurate.
- # . . .
- # a) Australian Eastern Time: (EST = GMT+10:00, EDT = GMT+11:00)
- # . . .
- # Summer of 86/87 - present (current legislation):
- # third Sun Oct 02:00 EST -> third [S]un Mar 02:00 EST
- #
- # If this turns out to be true, substitute Sun<=21 (third Sunday in October)
- # for Sun<=24 (next-to-last Sunday in October) above. . .some time before
- # October 1988, the first time it makes a difference.
-
- ###############################################################################
-
- # New Zealand
-
- # New Zealand, from Elz' asia 1.1
- # Elz says "no guarantees"
-
- # From U. S. Naval Observatory (January 19, 1989):
- # NEW ZEALAND 12 H AHEAD OF UTC (EXCLUDING CHATHAM ISLAND)
- # NEW ZEALAND 13 H AHEAD OF UTC OCT 30, '88-MAR 4, '89
- # NEW ZEALAND 12H45M AHEAD OF UTC CHATHAM ISLAND
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule NZ 1974 max - Oct lastSun 2:00 1:00 D
- Rule NZ 1975 max - Mar Sun>=1 3:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone NZ 12:00 NZ NZ%sT # New Zealand
- End of australasia
- echo file 'europe' >&2
- cat >'europe' <<'End of europe'
- # @(#)europe 7.1
-
- # International country codes are used to identify countries' rules and
- # zones
- #
- # 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
- # ado@ncifcrf.gov for general use in the future).
-
- ###############################################################################
-
- # United Kingdom
-
- # From Arthur David Olson (January 19, 1989):
- #
- # The starting and ending dates below (from which the rules are derived)
- # are from Whitaker's Almanack for 1987, page 146.
- # 1960 is the earliest year for which dates are given;
- # Whitaker's notes that British Summer Time (and, in some years, Double Summer
- # Time) was observed in earlier years but does not give start and end dates.
- #
- # A source at the British Information Office in New York avers that it's
- # known as "British" Summer Time in all parts of the United Kingdom.
- # 1960 April 10 October 2 (yes, 2, according to the almanac)
- # 1961 March 26 October 29
- # 1962 March 25 October 28
- # 1963 March 31 October 27
- # 1964 March 22 October 25
- # 1965 March 21 October 24
- # 1966 March 20 October 23
- # 1967 March 19 October 29
- # 1968 February 18 October 27
- # "British Standard Time, also one hour ahead of G. M. T., was kept between
- # 1968 Oct. 27-1971 Oct. 31."
- # 1972 March 19 October 29
- # 1973 March 18 October 28
- # 1974 March 17 October 27
- # 1975 March 16 October 26
- # 1976 March 21 October 24
- # 1977 March 20 October 23
- # 1978 March 19 October 29
- # 1979 March 18 October 28
- # 1980 March 16 October 26
- # 1981 March 29 October 25
- # 1982 March 28 October 24
- # 1983 March 27 October 23
- # 1984 March 25 October 28
- # 1985 March 31 October 27
- # 1986 March 30 October 26
- # 1987 March 29 October 25
-
- # From an Anonymous U. K. Donor (January 4, 1989):
- #
- # It is NOT possible to predict when [British Summer Time] will change
- # in a future year.
- #
- # (The admiralty calculate when they think it should be (no more that a couple
- # of years in advance) and advise the government who then decide whether or
- # not they will take the admiralty's advice)
- #
- # ...the Gre[e]nwich...observatory...[was] very helpful.
- #
- # I was not able to track down the Admiralty formula (I tried hard but failed)
-
- # ...
- # Date: 4 Jan 89 08:57:25 GMT (Wed)
- # From: Jonathan Leffler <nih-csl!uunet!mcvax!sphinx.co.uk!john>
- # ...
- # [British Summer Time] is fixed annually by Act of Parliament.
- # If you can predict what Parliament will do, you should be in
- # politics making a fortune, not computing.
- #
- # Summer time ends on Sunday 29 October 1989.
-
- # ...
- # Date: 5 Jan 89 09:50:38 GMT (Thu)
- # From: Peter Kendell <nih-csl!uunet!mcvax!tcom.stc.co.uk!pete>
- # ...
- #
- # From my Collins Diary for 1989 -
- #
- # "At the time of going to press the Home Office was unable to confirm
- # the 1989 starting and finishing dates for BST*, but expressed the
- # view that 26 March and 29 October were the likeliest dates to be
- # adopted"
- #
- # *British Summer Time.
-
- # From an Anonymous U. K. Donor (January 5, 1989):
- #
- # . . .our government is seriously considering applying Double Summer Time -
- # putting the clocks forwards and back TWO hours for daylight saving time.
- # This is advocated to standardise time in the EEC - we're all supposed to
- # keep the same time and to change the clocks on the same dates in the future.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- # Historic starting rules
- Rule GB-Eire 1960 only - Apr 10 1:00s 1:00 BST
- Rule GB-Eire 1961 1963 - Mar lastSun 1:00s 1:00 BST
- Rule GB-Eire 1964 1967 - Mar Sun>=19 1:00s 1:00 BST
- Rule GB-Eire 1968 only - Feb 18 1:00s 1:00 BST
- Rule GB-Eire 1972 1980 - Mar Sun>=16 1:00s 1:00 BST
- # Historic ending rules
- Rule GB-Eire 1960 only - Oct 2 1:00s 0 GMT
- Rule GB-Eire 1961 1967 - Oct Sun>=23 1:00s 0 GMT
- Rule GB-Eire 1971 only - Oct 31 1:00s 0 GMT
- # Current rules
- Rule GB-Eire 1981 max - Mar lastSun 1:00s 1:00 BST
- Rule GB-Eire 1972 max - Oct Sun>=23 1:00s 0 GMT
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone GB-Eire 0:00 GB-Eire %s 1968 Oct 27 1:00s
- 1:00 - BST 1971 Oct 31 1:00s
- 0:00 GB-Eire %s
-
- ###############################################################################
-
- # Continental Europe
-
- # The use of 1986 as starting years below is conservative.
-
- Rule W-Eur 1986 max - Mar lastSun 1:00s 1:00 " DST"
- Rule W-Eur 1986 max - Sep lastSun 1:00s 0 -
-
- Rule M-Eur 1986 max - Mar lastSun 2:00s 1:00 " DST"
- Rule M-Eur 1986 max - Sep lastSun 2:00s 0 -
-
- Rule E-Eur 1986 max - Mar lastSun 3:00s 1:00 " DST"
- Rule E-Eur 1986 max - Sep lastSun 3:00s 0 -
-
- Rule Turkey 1986 max - Mar lastSun 1:00 1:00 " DST"
- Rule Turkey 1986 max - Sep lastSun 1:00 0 -
-
- Rule W-SU 1986 max - Mar lastSun 2:00s 1:00 " DST"
- Rule W-SU 1986 max - Sep lastSun 2:00s 0 -
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone WET 0:00 W-Eur WET%s
- Zone Iceland 0:00 - WET
- Zone MET 1:00 M-Eur MET%s
- Zone Poland 1:00 W-Eur MET%s
- Zone EET 2:00 E-Eur EET%s
- Zone Turkey 3:00 Turkey EET%s
- Zone W-SU 3:00 M-Eur ????
-
- # Tom Hoffman says that MET is also known as Central European Time
-
- Link MET CET
-
- ###############################################################################
-
- # One source shows that Bulgaria, Cyprus, Finland, and Greece observe DST from
- # the last Sunday in March to the last Sunday in September in 1986.
- # The source shows Romania changing a day later than everybody else.
- #
- # According to Bernard Sieloff's source, Poland is in the MET time zone but
- # uses the WE DST rules. The Western USSR uses EET+1 and ME DST rules.
- # Bernard Sieloff's source claims Romania switches on the same day, but at
- # 00:00 standard time (i.e., 01:00 DST). It also claims that Turkey
- # switches on the same day, but switches on at 01:00 standard time
- # and off at 00:00 standard time (i.e., 01:00 DST)
-
- # ...
- # Date: Wed, 28 Jan 87 16:56:27 -0100
- # From: seismo!mcvax!cgcha!wtho (Tom Hofmann)
- # Message-Id: <8701281556.AA22174@cgcha.uucp>
- # ...
- #
- # ...the European time rules are...standardized since 1981, when
- # most European coun[tr]ies started DST. Before that year, only
- # a few countries (UK, France, Italy) had DST, each according
- # to own national rules. In 1981, however, DST started on
- # 'Apr firstSun', and not on 'Mar lastSun' as in the following
- # years...
- # But also since 1981 there are some more national exceptions
- # than listed in 'europe': Switzerland, for example, joined DST
- # one year later, Denmark ended DST on 'Oct 1' instead of 'Sep
- # lastSun' in 1981---I don't know how they handle now.
- #
- # Finally, DST ist always from 'Apr 1' to 'Oct 1' in the
- # Soviet Union (as far as I know).
- #
- # Tom Hofmann, Scientific Computer Center, CIBA-GEIGY AG,
- # 4002 Basle, Switzerland
- # UUCP: ...!mcvax!cernvax!cgcha!wtho
-
- # ...
- # Date: Wed, 4 Feb 87 22:35:22 +0100
- # From: seismo!mcvax!cwi.nl!dik (Dik T. Winter)
- # ...
- #
- # The information from Tom Hofmann is (as far as I know) not entirely correct.
- # After a request from chongo at amdahl I tried to retrieve all information
- # about DST in Europe. I was able to find all from about 1969.
- #
- # ...standardization on DST in Europe started in about 1977 with switches on
- # first Sunday in April and last Sunday in September...
- # In 1981 UK joined Europe insofar that
- # the starting day for both shifted to last Sunday in March. And from 1982
- # the whole of Europe used DST, with switch dates April 1 and October 1 in
- # the Sov[i]et Union. In 1985 the SU reverted to standard Europe[a]n switch
- # dates...
- #
- # It should also be remembered that time-zones are not constants; e.g.
- # Portugal switched in 1976 from MET (or CET) to WET with DST...
- # Note also that though there were rules for switch dates not
- # all countries abided to these dates, and many individual deviations
- # occurred, though not since 1982 I believe. Another note: it is always
- # assumed that DST is 1 hour ahead of normal time, this need not be the
- # case; at least in the Netherlands there have been times when DST was 2 hours
- # in advance of normal time.
- #
- # ...
- # dik t. winter, cwi, amsterdam, nederland
- # INTERNET : dik@cwi.nl
- # BITNET/EARN: dik@mcvax
-
- # From Bob Devine (January 28, 1988):
- # ...
- # Greece: Last Sunday in April to last Sunday in September (iffy on dates).
- # Since 1978. Change at midnight.
- # ...
- # Monaco: has same DST as France.
- # ...
- End of europe
- echo file 'northamerica' >&2
- cat >'northamerica' <<'End of northamerica'
- # @(#)northamerica 7.1
-
- ###############################################################################
-
- # United States
-
- # From Arthur David Olson:
- # US Daylight Saving Time ended on the last Sunday of *October* in 1974.
- # See, for example, the front page of the Saturday, October 26, 1974
- # and Sunday, October 27, 1974 editions of the Washington Post.
-
- # From seismo!munnari!kre:
- # I recall also being told by someone once that Canada didn't have
- # the DST variations in 74/75 that the US did, but I am not nearly
- # sure enough of this to add anything.
-
- # From Arthur David Olson:
- # The above has been confirmed by Bob Devine; we'll go with it here.
-
- # From Arthur David Olson:
- # Before the Uniform Time Act of 1966 took effect in 1967, observance of
- # Daylight Saving Time in the US was by local option, except during wartime.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule US 1918 1919 - Mar lastSun 2:00 1:00 D
- Rule US 1918 1919 - Oct lastSun 2:00 0 S
- Rule US 1942 only - Feb 9 2:00 1:00 W # War
- Rule US 1945 only - Sep 30 2:00 0 S
- Rule US 1967 max - Oct lastSun 2:00 0 S
- Rule US 1967 1973 - Apr lastSun 2:00 1:00 D
- Rule US 1974 only - Jan 6 2:00 1:00 D
- Rule US 1975 only - Feb 23 2:00 1:00 D
- Rule US 1976 1986 - Apr lastSun 2:00 1:00 D
- Rule US 1987 max - Apr Sun>=1 2:00 1:00 D
-
- # From Bob Devine (January 28, 1988):
- # ...Alaska (and Hawaii) had the timezone names changed in 1967.
- # old new
- # Pacific Standard Time(PST) -same-
- # Yukon Standard Time(YST) -same-
- # Central Alaska S.T. (CAT) Alaska-Hawaii St[an]dard Time (AHST)
- # Nome Standard Time (NT) Bering Standard Time (BST)
- #
- # ...Alaska's timezone lines were redrawn in 1983 to give only 2 tz.
- # The YST zone now covers nearly all of the state, AHST just part
- # of the Aleutian islands. No DST.
-
- # From U. S. Naval Observatory (January 19, 1989):
- # USA EASTERN 5 H BEHIND UTC NEW YORK, WASHINGTON
- # USA EASTERN 4 H BEHIND UTC APR 3 - OCT 30
- # USA CENTRAL 6 H BEHIND UTC CHICAGO, HOUSTON
- # USA CENTRAL 5 H BEHIND UTC APR 3 - OCT 30
- # USA MOUNTAIN 7 H BEHIND UTC DENVER
- # USA MOUNTAIN 6 H BEHIND UTC APR 3 - OCT 30
- # USA PACIFIC 8 H BEHIND UTC L.A., SAN FRANCISCO
- # USA PACIFIC 7 H BEHIND UTC APR 3 - OCT 30
- # USA ALASKA STD 9 H BEHIND UTC MOST OF ALASKA (AKST)
- # USA ALASKA STD 8 H BEHIND UTC APR 3 - OCT 30 (AKDT)
- # USA ALEUTIAN 10 H BEHIND UTC ISLANDS WEST OF 170W
- # USA - " - 9 H BEHIND UTC APR 3 - OCT 30
- # USA HAWAII 10 H BEHIND UTC
- # USA BERING 11 H BEHIND UTC SAMOA, MIDWAY
-
- # From Arthur David Olson (January 21, 1989):
- # The above dates are for 1988.
- # Note the "AKST" and "AKDT" abbreviations, the claim that there's
- # no DST in Samoa, and the claim that there is DST in Alaska and the
- # Aleutians.
-
- # From Arthur David Olson (February 13, 1988):
- # Legal standard time zone names, from United States Code (1982 Edition and
- # Supplement III), Title 15, Chapter 6, Section 260 and forward. First, names
- # up to April 1, 1967 (when most provisions of the Uniform Time Act of 1966
- # took effect), as explained in sections 263 and 261:
- # (none)
- # United States standard eastern time
- # United States standard mountain time
- # United States standard central time
- # United States standard Pacific time
- # (none)
- # United States standard Alaska time
- # (none)
- # Next, names from April 1, 1967 until November 30, 1983 (the date for
- # public law 98-181):
- # Atlantic standard time
- # eastern standard time
- # central standard time
- # mountain standard time
- # Pacific standard time
- # Yukon standard time
- # Alaska-Hawaii standard time
- # Bering standard time
- # And after November 30, 1983:
- # Atlantic standard time
- # eastern standard time
- # central standard time
- # mountain standard time
- # Pacific standard time
- # Alaska standard time
- # Hawaii-Aleutian standard time
- # Samoa standard time
- # The law doesn't give abbreviations.
-
- # Easy stuff first--including Alaska, where we ignore history (since we
- # can't tell if we should give Yukon time or Alaska-Hawaii time for "old"
- # times).
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone US/Eastern -5:00 US E%sT
- Zone US/Central -6:00 US C%sT
- Zone US/Mountain -7:00 US M%sT
- Zone US/Pacific -8:00 US P%sT
- Zone US/Alaska -9:00 US AK%sT # Abbreviation per USNO
-
- # Mainland US areas that are always Standard as of 1986.
-
- Zone US/East-Indiana -5:00 US E%sT 1946
- -5:00 - EST # Always EST as of 1986
- Zone US/Arizona -7:00 US M%sT 1946
- -7:00 - MST # Always MST as of 1986
-
- # From Arthur David Olson (February 13, 1988):
- # However. . .a writer from the Inter Tribal Council of Arizona, Inc.,
- # notes in private correspondence dated 12/28/87 that "Presently, only the
- # Navajo Nation participates in the Daylight Saving Time policy, due to its
- # large size and location in three states." (The "only" means that other
- # tribal nations don't use DST.)
-
- Link US/Mountain Navajo
-
- # From Bob Devine (January 28, 1988):
- # Michigan didn't observe DST from 1968 to 1973.
-
- Zone US/Michigan -5:00 US E%sT 1968
- -5:00 - EST 1973
- -5:00 US E%sT
-
- # Samoa just changes names. No DST, per Naval Observatory.
-
- Zone US/Samoa -11:00 - NST 1967 Apr 1 # N=Nome
- -11:00 - BST 1983 Nov 30 # B=Bering
- -11:00 - SST # S=Samoa
-
- # Aleutian has a name change. DST, per Naval Observatory.
-
- Zone US/Aleutian -10:00 US AH%sT 1983 Nov 30
- -10:00 US HA%sT
-
- # From Arthur David Olson:
- # And then there's Hawaii.
- # DST was observed for one day in 1933;
- # Standard time was change by half an hour in 1947;
- # it's always standard as of 1986.
-
- Zone US/Hawaii -10:30 US H%sT 1933 Apr 30 2:00
- -10:30 1:00 HDT 1933 May 1 2:00
- -10:30 US H%sT 1947 Jun 8 2:00
- -10:00 - HST
-
- # Old names, for S5 users
-
- # Link LINK-FROM LINK-TO
- # Link US/Eastern EST5EDT
- # Link US/Central CST6CDT
- # Link US/Mountain MST7MDT
- # Link US/Pacific PST8PDT
- # Link US/East-Indiana EST
- # Link US/Arizona MST
- # Link US/Hawaii HST
-
- ################################################################################
-
- # Canada
-
- # Canada is reportedly lots easier than the US--leastways since 1951.
- # I don't know what they did before then.
- # 4.3BSD claims that it's perfectly regular.
- # According to a posting in "comp.bugs.misc", "comp.unix.wizards", etc.
- # on February 8, 1987, by Dave Sherman of the Law Society of Upper Canada,
- # "...Canada (well, Ontario and at least some of the other provinces) are
- # adopting the new daylight savings time rules...". We assume all of
- # Canada is doing so.
-
- # From Bob Devine (January 28, 1988):
- # All of Canada did have DST from your first rule except Saskatchewan.
- # Which parts did not observe DST is hard to pinpoint but most of the
- # province follows the rules.
- # NOTE: those that didn't have DST for that rule, also
- # probably did not have it for several years previous.
-
- # From U. S. Naval Observatory (January 19, 1989):
- # CANADA NEW FDL 3.5H BEHIND UTC ST.JOHN'S
- # CANADA NEW FDL 1.5H BEHIND UTC APR 3 - OCT 29
- # CANADA ATLANTIC 4 H BEHIND UTC HALIFAX
- # CANADA ATLANTIC 3 H BEHIND UTC APR 3 - OCT 29
- # CANADA EASTERN 5 H BEHIND UTC TORONTO, MONTREAL, OTTAWA
- # CANADA EASTERN 4 H BEHIND UTC APR 3 - OCT 29
- # CANADA CENTRAL 6 H BEHIND UTC REGINA, WINNIPEG
- # CANADA CENTRAL 5 H BEHIND UTC APR 3 - OCT 29
- # CANADA MOUNTAIN 7 H BEHIND UTC CALGARY, EDMONTON
- # CANADA MOUNTAIN 6 H BEHIND UTC APR 3 - OCT 29
- # CANADA PACIFIC 8 H BEHIND UTC VANCOUVER
- # CANADA PACIFIC 7 H BEHIND UTC APR 3 - OCT 29
- # CANADA YUKON SAME AS PACIFIC DAWSON
-
- # From Arthur David Olson (January 21, 1989):
- # April 3 fell on a Sunday in 1988; October 29 fell on a Sunday in 1989. Ahem.
- # Note claim that there's double DST in Newfoundland and that Yukon should
- # be same as Pacific. Stick with rules posted in 1988 until more authoritative
- # information is available.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Canada 1969 max - Oct lastSun 2:00 0 S
- Rule Canada 1969 1986 - Apr lastSun 2:00 1:00 D
- Rule Canada 1987 max - Apr Sun>=1 2:00 1:00 D
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- # Bob Devine says that DST *is* observed in Newfoundland
- Zone Canada/Newfoundland -3:30 Canada N%sT
- Zone Canada/Atlantic -4:00 Canada A%sT
- Zone Canada/Eastern -5:00 Canada E%sT
- Zone Canada/Central -6:00 Canada C%sT
- Zone Canada/East-Saskatchewan -6:00 - CST # No DST as of 1987
- Zone Canada/Mountain -7:00 Canada M%sT
- Zone Canada/Pacific -8:00 Canada P%sT
- Zone Canada/Yukon -9:00 Canada Y%sT
-
- ###############################################################################
-
- # Mexico
-
- # From Guy Harris:
- # Rules are from the Official Airline Guide, Worldwide Edition, for 1987.
- # Rules prior to 1987 are unknown.
- # The comments in the OAG say "Only Ensenada, Mexicale, San Felipe and Tijuana
- # observe DST." This is presumably Baja California Norte, above 28th parallel,
- # as listed there; Mexico/BajaSur is for "Baja California Sur and N. Pacific
- # Coast (States of Sinaloa and Sonora)."
-
- # From Bob Devine (January 28, 1988):
- # The Federal District (where Mexico City is) has observed [DST] several
- # times but not recently.
- #
- # I don't where to drawn the line in the North Baja area. 28th latitude
- # sounds good -- but it may be higher (how far [d]o radio stations from
- # San Diego affect culture?).
- #
- # The dates of DST probably go back to 1981. The rules are the same as
- # US's. This is going to be a headache for US presidential electi[o]n years!
-
- # From Arthur David Olson (February 13, 1988)
- # Since the 1981 starting date is only "probable," we'll keep the 1987
- # starting date below.
-
- # From U. S. Naval Observatory (January 19, 1989):
- # MEXICO BAJA CAL N 7 H BEHIND UTC BAJA CALIFORNIA SUR AND
- # MEXICO BAJA CAL N N. PACIFIC COAST (STATES
- # MEXICO BAJA CAL N OF SINALOA AND SONORA)
- # MEXICO BAJA CAL N 8 H BEHIND UTC ABOVE 28TH PARALLAL APR 3
- # MEXICO BAJA CAL N - OCT 29
- # MEXICO BAJA CAL N 7 H BEHIND UTC ABOVE 28TH PARALLAL APR 3
- # MEXICO BAJA CAL N - 0CT 29
- # MEXICO 6 H BEHIND UTC STATES OF DURANGO,
- # MEXICO COAHUILA, NUEVO LEON,
- # MEXICO TAMAULIPAS
- # MEXICO 5 H BEHIND UTC STATES OF DURANGO,
- # MEXICO COAHUILA, NUEVO LEON,
- # MEXICO TAMAULIPAS APR 3 - OCT 29
- # MEXICO 6 H BEHIND UTC GENERAL MEXICO, STATES OF
- # MEXICO CAMPECHE, QUINTANA ROO AND
- # MEXICO YUCATAN
-
- # From Arthur David Olson (January 21, 1989):
- # April 3 fell on a Sunday in 1988; October 29 fell on a Sunday in 1989. Ahem.
- # USNO claims there should be four Mexican zones rather than three:
- # a zone that's GMT-8 with DST; a zone that's always GMT-7;
- # a zone that's GMT-6 with DST; and a zone that's always GMT-6.
- # Wait for more authoritative information before changing.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Mexico 1987 max - Oct lastSun 2:00 0 S
- Rule Mexico 1987 max - Apr Sun>=1 2:00 1:00 D
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Mexico/BajaNorte -8:00 Mexico P%sT
- Zone Mexico/BajaSur -7:00 - MST
- Zone Mexico/General -6:00 - CST
-
- ###############################################################################
-
- # Jamaica
-
- # From Bob Devine (January 28, 1988):
- # Follows US rules.
-
- # From U. S. Naval Observatory (January 19, 1989):
- # JAMAICA 5 H BEHIND UTC
-
- Link US/Eastern Jamaica
-
- ###############################################################################
-
- # Cuba
-
- # From Bob Devine (January 28, 1988):
- # . . .DST is from 2nd Sunday in May to 2nd Sunday in October since 1981.
- # Change at midnight. In 1979 & 1980, started at 3rd Sunday in March
- # (I think).
-
- # From U. S. Naval Observatory (January 19, 1989):
- # CUBA 5 H BEHIND UTC
- # CUBA 4 H BEHIND UTC MAR 20 - OCT 8
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Cuba 1979 1980 - Mar Sun>=15 0:00 1:00 D
- Rule Cuba 1979 1980 - Oct Sun>=8 0:00 0 S
- Rule Cuba 1981 max - May Sun>=8 0:00 1:00 D
- Rule Cuba 1981 max - Oct Sun>=8 0:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT
- Zone Cuba -5:00 Cuba C%sT
- End of northamerica
- echo file 'southamerica' >&2
- cat >'southamerica' <<'End of southamerica'
- # @(#)southamerica 7.1
-
- # From Guy Harris:
- # From Official Airline Guide - Worldwide Edition (1987). Countries not
- # listed here do not observe DST, according to the OAG. Time zone names
- # are pure inventions, and none are supplied for countries not observing
- # DST; updates from natives would be appreciated. The times that DST
- # starts and ends are based on the assumption that they switch a 2AM just
- # as everybody else does.
-
- ###############################################################################
-
- # Brazil
-
- # From Guy Harris:
- # The OAG lists October 25, 1987 and February 12, 1988 as the starting and
- # ending dates, giving them as "estimated date(s) based on previous year". We
- # infer a rule here from one example, always a dangerous practice.... Yes,
- # they really do switch on Saturday, according to the OAG.
- # "Brazil/Acre" is for the Territory of Acre; "Brazil/DeNoronha" is for
- # Fernando De Noronha.
-
- # From Bob Devine (January 28, 1988):
- # The only information I found is that there was no DST up to 1985.
- # But there was some before 1952!
-
- # From U. S. Naval Observatory (January 16, 1989):
- # BRAZIL WEST 5 H BEHIND UTC TERRITORY OF ACRE
- # BRAZIL WEST 4 H BEHIND UTC ACRE OCT 23, '88-FEB 11,
- # BRAZIL '89 (ESTIMATED)
- # BRAZIL CENTRAL 4 H BEHIND UTC MANAUS
- # BRAZIL CENTRAL 3 H BEHIND UTC MANAUS OCT 23, '88-FEB 11,
- # BRAZIL CENTRAL '89 (ESTIMATED)
- # BRAZIL EAST 3 H BEHIND UTC COASTAL STATES, RIO, SAO
- # BRAZIL EAST PAULO, BRASILIA
- # BRAZIL EAST 2 H BEHIND UTC COASTAL STATES, RIO, SAO
- # BRAZIL PAULO, BRASILIA OCT 23,
- # BRAZIL '88-FEB 11, '89
- # BRAZIL (ESTIMATED)
- # BRAZIL 2 H BEHIND UTC ATLANTIC ISLANDS, FERNANDO
- # BRAZIL DE NORONHA
- # BRAZIL 1 H BEHIND UTC OCT 23, '88-FEB 11, '89
- # BRAZIL (ESTIMATED)
- # BRAZIL 3 H BEHIND UTC FOR MOST MAJOR AIRPORTS.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Brazil 1987 max - Feb Sat<=14 2:00 0 S
- Rule Brazil 1987 max - Oct Sat<=28 2:00 1:00 D
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Brazil/East -3:00 Brazil E%sT
- Zone Brazil/West -4:00 Brazil W%sT
- Zone Brazil/Acre -5:00 Brazil A%sT
- Zone Brazil/DeNoronha -2:00 Brazil F%sT
-
- ###############################################################################
-
- # Chile
-
- # From Guy Harris:
- # The OAG lists October 11, 1987 and March 12, 1988 as the starting and
- # ending dates, giving them as "estimated date(s) based on previous year."
-
- # From Bob Devine (January 28, 1988):
- # Chile has had 2nd Sunday in October to 2nd Sunday in March DST since 1977.
- # Switch is at midnight. OAG is right.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Chile 1977 max - Oct Sun>=8 0:00 1:00 D
- Rule Chile 1978 max - Mar Sun>=8 0:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone Chile/Continental -4:00 Chile C%sT
- Zone Chile/EasterIsland -6:00 Chile E%sT
-
- ###############################################################################
-
- # Paraguay
-
- # From Bob Devine (January 28, 1988):
- # Paraguay: First day in October to last in March. Midnight switch??
- # Since 1980.
-
- # From U. S. Naval Observatory (January 19, 1989):
- # PARAGUAY 4 H BEHIND UTC
- # PARAGUAY 3 H BEHIND UTC OCT 1, '88-MAR 31, '89
-
- # From Arthur David Olson (January 21, 1989):
- # Still don't know time of day when switch occurs. Punt.
-
- ###############################################################################
-
- # Argentina
-
- # From Bob Devine (January 28, 1988):
- # Argentina: first Sunday in October to first Sunday in April since 1976.
- # Double Summer time from 1969 to 1974. Switches at midnight.
-
- # From U. S. Naval Observatory (January 19, 19889):
- # ARGENTINA 3 H BEHIND UTC
-
- # From Arthur David Olson (January 21, 1989):
- # OAG, USNO and Bob have different data. Punt.
- End of southamerica
- echo file 'pacificnew' >&2
- cat >'pacificnew' <<'End of pacificnew'
- # @(#)pacificnew 7.1
-
- # From Arthur David Olson (April 5, 1989):
- # On April 5, 1989, the U. S. House of Representatives passed (238-154) a bill
- # establishing "Pacific Presidential Election Time"; it has yet to be acted on
- # by the Senate or signed into law by the President.
- # You might want to change the "PE" (Presidential Election) below to
- # "Q" (Quadrennial) to maintain three-character zone abbreviations.
- # If you're really conservative, you might want to change it to "D".
- # Avoid "L" (Leap Year), which won't be true in 2100.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule Twilite 1989 max - Apr Sun>=1 2:00 1:00 D
- Rule Twilite 1989 max uspres Oct lastSun 2:00 1:00 PE
- Rule Twilite 1989 max uspres Nov Sun>=7 2:00 0 S
- Rule Twilite 1989 max nonpres Oct lastSun 2:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone US/Pacific-New -8:00 US P%sT 1989
- -8:00 Twilite P%sT
- End of pacificnew
- echo file 'etcetera' >&2
- cat >'etcetera' <<'End of etcetera'
- # @(#)etcetera 7.1
-
- # All of these are set up just so people can "zic -l" to a timezone
- # that's right for their area, even if it doesn't have a name or dst rules
- # (half hour zones are too much to bother with -- when someone asks!)
-
- Zone GMT 0 - GMT
-
- Zone GMT-12 -12 - GMT-1200
- Zone GMT-11 -11 - GMT-1100
- Zone GMT-10 -10 - GMT-1000
- Zone GMT-9 -9 - GMT-0900
- Zone GMT-8 -8 - GMT-0800
- Zone GMT-7 -7 - GMT-0700
- Zone GMT-6 -6 - GMT-0600
- Zone GMT-5 -5 - GMT-0500
- Zone GMT-4 -4 - GMT-0400
- Zone GMT-3 -3 - GMT-0300
- Zone GMT-2 -2 - GMT-0200
- Zone GMT-1 -1 - GMT-0100
- Zone GMT+1 1 - GMT+0100
- Zone GMT+2 2 - GMT+0200
- Zone GMT+3 3 - GMT+0300
- Zone GMT+4 4 - GMT+0400
- Zone GMT+5 5 - GMT+0500
- Zone GMT+6 6 - GMT+0600
- Zone GMT+7 7 - GMT+0700
- Zone GMT+8 8 - GMT+0800
- Zone GMT+9 9 - GMT+0900
- Zone GMT+10 10 - GMT+1000
- Zone GMT+11 11 - GMT+1100
- Zone GMT+12 12 - GMT+1200
- Zone GMT+13 13 - GMT+1300 # GMT+12 with DST
-
- Link GMT UTC
- Link GMT UCT
- Link GMT Universal
- Link GMT Greenwich
- Link GMT Zulu
- Link GMT GMT-0
- Link GMT GMT+0
- Link GMT GMT0
- Link GMT+1 GMT1
- Link GMT+2 GMT2
- Link GMT+3 GMT3
- Link GMT+4 GMT4
- Link GMT+5 GMT5
- Link GMT+6 GMT6
- Link GMT+7 GMT7
- Link GMT+8 GMT8
- Link GMT+9 GMT9
- Link GMT+10 GMT10
- Link GMT+11 GMT11
- Link GMT+12 GMT12
- Link GMT+13 GMT13
- End of etcetera
- echo file 'factory' >&2
- cat >'factory' <<'End of factory'
- # @(#)factory 7.1
-
- # For companies who don't want to put time zone specification in
- # their installation procedures. When users run date, they'll get the message.
- # Also useful for the "comp.sources" version.
-
- # Zone NAME GMTOFF RULES FORMAT
- Zone Factory 0 - "Local time zone must be set--see zic manual page"
- End of factory
- echo file 'systemv' >&2
- cat >'systemv' <<'End of systemv'
- # @(#)systemv 7.1
-
- # Old rules, should the need arise.
- # No attempt is made to handle Newfoundland, since it cannot be expressed
- # using the System V "TZ" scheme (half-hour offset), or anything outside
- # North America (no support for non-standard DST start/end dates), nor
- # the change in the DST rules in the US in 1987 (can't split between
- # Canada, with no changes, and the US)
- #
- # Be sure to compile this *without* leap second correction for true conformance.
-
- # Rule NAME FROM TO TYPE IN ON AT SAVE LETTER/S
- Rule SystemV min 1973 - Apr lastSun 2:00 1:00 D
- Rule SystemV min 1973 - Oct lastSun 2:00 0 S
- Rule SystemV 1974 only - Jan 6 2:00 1:00 D
- Rule SystemV 1974 only - Nov lastSun 2:00 0 S
- Rule SystemV 1975 only - Feb 23 2:00 1:00 D
- Rule SystemV 1975 only - Oct lastSun 2:00 0 S
- Rule SystemV 1976 max - Apr lastSun 2:00 1:00 D
- Rule SystemV 1976 max - Oct lastSun 2:00 0 S
-
- # Zone NAME GMTOFF RULES/SAVE FORMAT [UNTIL]
- Zone SystemV/AST4ADT -4:00 SystemV A%sT
- Zone SystemV/EST5EDT -5:00 SystemV E%sT
- Zone SystemV/CST6CDT -6:00 SystemV C%sT
- Zone SystemV/MST7MDT -7:00 SystemV M%sT
- Zone SystemV/PST8PDT -8:00 SystemV P%sT
- Zone SystemV/YST9YDT -9:00 SystemV Y%sT
- Zone SystemV/AST4 -4:00 - AST
- Zone SystemV/EST5 -5:00 - EST
- Zone SystemV/CST6 -6:00 - CST
- Zone SystemV/MST7 -7:00 - MST
- Zone SystemV/PST8 -8:00 - PST
- Zone SystemV/YST9 -9:00 - YST
- Zone SystemV/HST10 -10:00 - HST
- End of systemv
- echo file 'leapseconds' >&2
- cat >'leapseconds' <<'End of leapseconds'
- # @(#)leapseconds 7.1
-
- # Allowance for leapseconds added to each timezone file.
-
- # The correction (+ or -) is made at the given time, so lines
- # will typically look like:
- # Leap YEAR MON DAY 23:59:60 + R/S
- # or
- # Leap YEAR MON DAY 23:59:59 - R/S
-
- # If the leapsecond is Rolling (R) the given time is local time
- # If the leapsecond is Stationary (S) the given time is GMT
-
- # Leap YEAR MONTH DAY HH:MM:SS CORR R/S
- Leap 1972 Jun 30 23:59:60 + S
- Leap 1972 Dec 31 23:59:60 + S
- Leap 1973 Dec 31 23:59:60 + S
- Leap 1974 Dec 31 23:59:60 + S
- Leap 1975 Dec 31 23:59:60 + S
- Leap 1976 Dec 31 23:59:60 + S
- Leap 1977 Dec 31 23:59:60 + S
- Leap 1978 Dec 31 23:59:60 + S
- Leap 1979 Dec 31 23:59:60 + S
- Leap 1981 Jun 30 23:59:60 + S
- Leap 1982 Jun 30 23:59:60 + S
- Leap 1983 Jun 30 23:59:60 + S
- Leap 1985 Jun 30 23:59:60 + S
- Leap 1987 Dec 31 23:59:60 + S
- End of leapseconds
- exit
-