Norfolk Island time zone history
The latest change of standard time came on October 4, 2015, from UTC+11:30 to UTC+11. Since 1970 it has also used UTC+11:30, an offset that is not a whole number of hours. The record holds 6 different UTC offsets, tied for the most among the 9 zones on UTC+11 standard time.
UTC+11
Standard time is UTC+11; clocks go forward to UTC+12 on the first Sunday in October and back on the first Sunday in April.
Summer time in 10 of 57 years since 1970
Before 1970
Standard time changes
| Date | Change | New standard time | Clock label |
|---|---|---|---|
| Before 1970 | |||
| January 1, 1901 | Local mean time (UTC+11:11:52) replaced | UTC+11:12 | numeric only |
| January 1, 1951 | Standard time forward 18 minutes | UTC+11:30 | numeric only |
| Since 1970 | |||
| October 4, 2015 | Standard time back 30 minutes | UTC+11 | numeric only |
Daylight saving periods
| Years | Clocks go forward | Clocks go back | Shift and labels |
|---|---|---|---|
| 1974 | October 27 | not that year | 1 hour |
| 1975 | not that year | March 2 | 1 hour |
| 2019 | October 6 | not that year | 1 hour |
| 2020–2037 | first Sunday in October, 02:00 | first Sunday in April, 03:00 | 1 hour |
Clock changes in 2026, 2027 and 2028
The clocks go forward 1 hour on October 4, 2026, October 3, 2027 and October 1, 2028 at 02:00 and back 1 hour on April 5, 2026, April 4, 2027 and April 2, 2028 at 03:00, local time.
Also on UTC+11
New Caledonia, Vanuatu, Solomon Islands, Bougainville (Papua New Guinea), Micronesia, Sakhalin (Russia), Magadan (Russia) and Srednekolymsk (Russia).
Clocks next door since 1970
- New Caledonia (769 km): usually 30 minutes behind; different on 4,495 days in 1974, 1975, 1977–1979, 1996, 1997 and 2015–2026; same time today.
- Lord Howe Island (Australia) (897 km): usually 1 hour behind; different on 11,979 days in 1970–2026; 30 minutes behind today.
- Auckland (New Zealand) (1,075 km): usually 30 minutes ahead; different on 10,400 days in 1974–2026; 1 hour ahead today.
- Vanuatu (1,267 km): usually 30 minutes behind; different on 5,990 days in 1973–1975, 1983–1993 and 2015–2026; same time today.
- Brisbane (Australia) (1,472 km): usually 1 hour 30 minutes behind; different on 4,730 days in 1971, 1972, 1974, 1975, 1989–1992 and 2015–2026; 1 hour behind today.
How it compares
Norfolk left local mean time (UTC+11:11:52) in 1901, tied second-earliest switch among the 9 zones on UTC+11 standard time.
On standard time, clocks in Norfolk run 12 minutes behind local mean solar time.