Hobart time zone history
Clocks have been changed 114 times since 1970, the most of the 12 zones in Australia. On standard time, clocks in Hobart run 11 minutes ahead of local mean solar time.
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.
Summer time in every year since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| September 1, 1895 | Local mean time (UTC+9:49:16) replaced | UTC+10 | AEST |
Daylight saving periods
| Years | Clocks go forward | Clocks go back | Shift and labels |
|---|---|---|---|
| Before 1970 | |||
| 1916 | October 1 | not that year | 1 hour, AEST to AEDT |
| 1917 | October 28 | March 25 | 1 hour, AEST to AEDT |
| 1918 | October 27 | March 3 | 1 hour, AEST to AEDT |
| 1919 | not that year | March 2 | 1 hour |
| 1942 | January 1, September 27 | March 29 | 1 hour, AEST to AEDT |
| 1943 | October 3 | March 28 | 1 hour, AEST to AEDT |
| 1944 | not that year | March 26 | 1 hour |
| 1967 | October 1 | not that year | 1 hour, AEST to AEDT |
| 1968 | October 27 | March 31 | 1 hour, AEST to AEDT |
| 1969–1971 | last Sunday in October, 02:00 | second Sunday in March, 03:00 | 1 hour, AEST to AEDT |
| Since 1970 | |||
| 1972 | October 29 | February 27 | 1 hour, AEST to AEDT |
| 1973–1981 | last Sunday in October, 02:00 | first Sunday in March, 03:00 | 1 hour, AEST to AEDT |
| 1982–1983 | last Sunday in October, 02:00 | fourth Sunday in March, 03:00 | 1 hour, AEST to AEDT |
| 1984–1985 | last Sunday in October, 02:00 | first Sunday in March, 03:00 | 1 hour, AEST to AEDT |
| 1986 | October 19 | March 2 | 1 hour, AEST to AEDT |
| 1987–1990 | last Sunday in October, 02:00 | third Sunday in March, 03:00 | 1 hour, AEST to AEDT |
| 1991–1999 | first Sunday in October, 02:00 | last Sunday in March, 03:00 | 1 hour, AEST to AEDT |
| 2000 | August 27 | March 26 | 1 hour, AEST to AEDT |
| 2001–2005 | first Sunday in October, 02:00 | last Sunday in March, 03:00 | 1 hour, AEST to AEDT |
| 2006 | October 1 | April 2 | 1 hour, AEST to AEDT |
| 2007 | October 7 | March 25 | 1 hour, AEST to AEDT |
| 2008–2037 | first Sunday in October, 02:00 | first Sunday in April, 03:00 | 1 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
Melbourne (Australia), Sydney (Australia), Macquarie Island (Australia), Brisbane (Australia), Lindeman (Australia), Port Moresby (Papua New Guinea), Guam, Vladivostok (Russia) and Ust-Nera (Russia).
Clocks next door since 1970
- Melbourne (597 km): same time except 752 days in 22 different years between 1970 and 2007.
- Sydney (1,058 km): same time except 766 days in 22 different years between 1970 and 2007.
- Adelaide (1,163 km): usually 30 minutes behind; different on 775 days in 1970–2026.
- Broken Hill (1,321 km): usually 30 minutes behind; different on 831 days in 1970–2026.
- Macquarie Island (1,544 km): same time except 182 days in 2010.
How it compares
Standard time has stayed at UTC+10 since 1895.