UTC+11:30
UTC+11:30 is an identifier for a time offset from UTC of +11:30. It is no longer in use as of 2015.[1]
History
This time zone was used as standard time in New Zealand and Norfolk Island.
On November 2, 1868, New Zealand officially adopted a standard time to be observed nationally, and was perhaps the first country to do so. It was based on the longitude 172° 30' East of Greenwich, that was 11 hours 30 minutes ahead of Greenwich Mean Time. This standard was known as New Zealand Mean Time (NZMT).[2] New Zealand changed from NZMT to New Zealand Standard Time (NZST) as 00 in 1946 (after using this time zone as a daylight saving time since 1928, including permanent daylight saving from 1941).[3] It was officially changed to 12 hours in advance of UTC in 1946.[4]
Norfolk Island's standard time (NFT) was on UTC+11:30 until 4 October 2015, when it was changed to 00.[1]
See also
- Time in Australia
- Time in New Zealand
References
- ↑ 1.0 1.1 Hardgrave, Gary (3 September 2015). "Norfolk Island standard time changes 4 October 2015" (Press release). Administrator of Norfolk Island. Archived from the original on 14 August 2025. Retrieved 4 October 2015.
- ↑ "Evening Post — 8 April 1929 — OUR TIME". paperspast.natlib.govt.nz. 2011. http://www.paperspast.natlib.govt.nz/cgi-bin/paperspast?a=d&cl=search&d=EP19290408.2.88&srpos=2.
- ↑ "Daylight Saving History". New Zealand Department of Internal Affairs. http://www.dia.govt.nz/Daylight-Saving-History.
- ↑ "Daylight Saving". New Zealand Department of Internal Affairs. http://www.dia.govt.nz/Daylight-Saving.
 |  |
