Time Zone History

Macquarie Island time zone history

The largest single move came on March 25, 1948, when clocks went forward 10 hours, from UTC+0 to UTC+10. On standard time, clocks at Macquarie Island run 36 minutes behind local mean solar time, the fourth-largest gap of the 79 zones whose clocks run behind the sun.

UTC+10

Standard time is UTC+10 (AEDT/AEST); clocks go forward to UTC+11 on the first Sunday in October and back on the first Sunday in April.

Covers: Macquarie Island · tz database name Antarctica/Macquarie

Convert a time from Macquarie Island

Summer time in every year since 1970

UTC+10: today’s standard timeUTC+11: 1 hour ahead of today’s standard timeNo local time in the record (station not yet in use)UTC+10: today’s standard timeUTC+11: 1 hour ahead of today’sstandard timeNo local time in the record(station not yet in use)

How to read this chart

Before 1970

18901910193019501970189019301970
JanFebMarAprMayJunJulAugSepOctNovDec1970198019902000201020202028JFMAMJJASOND1970198019902000201020202028

Standard time changes

DateChangeNew standard timeClock label
Before 1970
November 1, 1899First local time in the recordUTC+10AEST
April 1, 1919Standard time back 10 hoursUTC+0numeric only
March 25, 1948Standard time forward 10 hoursUTC+10AEST

Daylight saving periods

YearsClocks go forwardClocks go backShift and labels
Before 1970
1916October 1not that year1 hour, AEST to AEDT
1917not that yearMarch 251 hour, AEST to AEDT
1967October 1not that year1 hour, AEST to AEDT
1968October 27March 311 hour, AEST to AEDT
1969–1971last Sunday in October, 02:00second Sunday in March, 03:001 hour, AEST to AEDT
Since 1970
1972October 29February 271 hour, AEST to AEDT
1973–1981last Sunday in October, 02:00first Sunday in March, 03:001 hour, AEST to AEDT
1982–1983last Sunday in October, 02:00fourth Sunday in March, 03:001 hour, AEST to AEDT
1984–1985last Sunday in October, 02:00first Sunday in March, 03:001 hour, AEST to AEDT
1986October 19March 21 hour, AEST to AEDT
1987–1990last Sunday in October, 02:00third Sunday in March, 03:001 hour, AEST to AEDT
1991–1999first Sunday in October, 02:00last Sunday in March, 03:001 hour, AEST to AEDT
2000August 27March 261 hour, AEST to AEDT
2001–2005first Sunday in October, 02:00last Sunday in March, 03:001 hour, AEST to AEDT
2006October 1April 21 hour, AEST to AEDT
2007October 7March 251 hour, AEST to AEDT
2008–2009first Sunday in October, 02:00first Sunday in April, 03:001 hour, AEST to AEDT
2011–2037first Sunday in October, 02:00first Sunday in April, 03:001 hour, AEST to AEDT

Clock changes in 2026, 2027 and 2028

The clocks go forward 1 hour (AEST to AEDT) on October 4, 2026, October 3, 2027 and October 1, 2028 at 02:00 and back 1 hour (AEDT to AEST) on April 5, 2026, April 4, 2027 and April 2, 2028 at 03:00, local time.

Also on UTC+10

Hobart (Australia), Melbourne (Australia), Sydney (Australia), Brisbane (Australia), Lindeman (Australia), Port Moresby (Papua New Guinea), Guam, Vladivostok (Russia) and Ust-Nera (Russia).

Clocks next door since 1970

  • Hobart (1,544 km): same time except 182 days in 2010.
  • Chatham Islands (New Zealand) (2,114 km): usually 2 hours 45 minutes ahead; different on 1,250 days in 1970–2026.
  • Melbourne (2,136 km): same time except 934 days in 23 different years between 1970 and 2010.
  • Auckland (New Zealand) (2,302 km): usually 2 hours ahead; different on 1,250 days in 1970–2026.
  • Sydney (2,372 km): same time except 948 days in 23 different years between 1970 and 2010.

How it compares

Clocks have been changed 112 times since 1970, the second-most of the 12 zones in Australia.

Standard time has stayed at UTC+10 since 1948.