Rule RussAQ 1981 1984 - Apr 1 0:00 1:00 S Rule RussAQ 1981 1983 - Oct 1 0:00 0 - Rule RussAQ 1984 1991 - Sep lastSun 2:00s 0 - Rule RussAQ 1985 1991 - Mar lastSun 2:00s 1:00 S Rule RussAQ 1992 only - Mar lastSat 23:00 1:00 S Rule RussAQ 1992 only - Sep lastSat 23:00 0 - Rule RussAQ 1993 max - Mar lastSun 2:00s 1:00 S Rule RussAQ 1993 1995 - Sep lastSun 2:00s 0 - Rule RussAQ 1996 max - Oct lastSun 2:00s 0 - Rule ArgAQ 1964 1966 - Mar 1 0:00 0 - Rule ArgAQ 1964 1966 - Oct 15 0:00 1:00 S Rule ArgAQ 1967 only - Apr 2 0:00 0 - Rule ArgAQ 1967 1968 - Oct Sun>=1 0:00 1:00 S Rule ArgAQ 1968 1969 - Apr Sun>=1 0:00 0 - Rule ArgAQ 1974 only - Jan 23 0:00 1:00 S Rule ArgAQ 1974 only - May 1 0:00 0 - Rule ChileAQ 1972 1986 - Mar Sun>=9 3:00u 0 - Rule ChileAQ 1974 1987 - Oct Sun>=9 4:00u 1:00 S Rule ChileAQ 1987 only - Apr 12 3:00u 0 - Rule ChileAQ 1988 1989 - Mar Sun>=9 3:00u 0 - Rule ChileAQ 1988 only - Oct Sun>=1 4:00u 1:00 S Rule ChileAQ 1989 only - Oct Sun>=9 4:00u 1:00 S Rule ChileAQ 1990 only - Mar 18 3:00u 0 - Rule ChileAQ 1990 only - Sep 16 4:00u 1:00 S Rule ChileAQ 1991 1996 - Mar Sun>=9 3:00u 0 - Rule ChileAQ 1991 1997 - Oct Sun>=9 4:00u 1:00 S Rule ChileAQ 1997 only - Mar 30 3:00u 0 - Rule ChileAQ 1998 only - Mar Sun>=9 3:00u 0 - Rule ChileAQ 1998 only - Sep 27 4:00u 1:00 S Rule ChileAQ 1999 only - Apr 4 3:00u 0 - Rule ChileAQ 1999 max - Oct Sun>=9 4:00u 1:00 S Rule ChileAQ 2000 max - Mar Sun>=9 3:00u 0 - Zone Antarctica/Casey 0 - zzz 1969 8:00 - WST # Western (Aus) Standard Time Zone Antarctica/Davis 0 - zzz 1957 Jan 13 7:00 - DAVT 1964 Nov # Davis Time 0 - zzz 1969 Feb 7:00 - DAVT Zone Antarctica/Mawson 0 - zzz 1954 Feb 13 6:00 - MAWT # Mawson Time Zone Indian/Kerguelen 0 - zzz 1950 # Port-aux-Francais 5:00 - TFT # ISO code TF Time Zone Antarctica/DumontDUrville 0 - zzz 1947 10:00 - PMT 1952 Jan 14 # Port-Martin Time 0 - zzz 1956 Nov 10:00 - DDUT # Dumont-d'Urville Time Zone Antarctica/Syowa 0 - zzz 1957 Jan 29 3:00 - SYOT # Syowa Time Rule NZAQ 1974 only - Nov 3 2:00s 1:00 D Rule NZAQ 1975 1988 - Oct lastSun 2:00s 1:00 D Rule NZAQ 1989 only - Oct 8 2:00s 1:00 D Rule NZAQ 1990 2006 - Oct Sun>=1 2:00s 1:00 D Rule NZAQ 1975 only - Feb 23 2:00s 0 S Rule NZAQ 1976 1989 - Mar Sun>=1 2:00s 0 S Rule NZAQ 1990 2007 - Mar Sun>=15 2:00s 0 S Rule NZAQ 2007 max - Sep lastSun 2:00s 1:00 D Rule NZAQ 2008 max - Apr Sun>=1 2:00s 0 S Zone Antarctica/Vostok 0 - zzz 1957 Dec 16 6:00 - VOST # Vostok time Zone Antarctica/Rothera 0 - zzz 1976 Dec 1 -3:00 - ROTT # Rothera time Zone Antarctica/Palmer 0 - zzz 1965 -4:00 ArgAQ AR%sT 1969 Oct 5 -3:00 ArgAQ AR%sT 1982 May -4:00 ChileAQ CL%sT Zone Antarctica/McMurdo 0 - zzz 1956 12:00 NZAQ NZ%sT Link Antarctica/McMurdo Antarctica/South_Pole