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It was based on longitude 172° 30′ East of Greenwich, 11 + 1 ⁄ 2 hours ahead of Greenwich Mean Time (GMT). This standard was known as New Zealand Mean Time (NZMT). In 1941, during the Second World War, clocks were advanced half an hour, to reduce electric power use making New Zealand 12 hours ahead
Further reading. List of tz database time zones. The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [ 1 ] This is a list of time zones from release 2024a of the tz database. [ 2 ]
On November 2, 1868, the British Colony of New Zealand officially adopted a standard time to be observed throughout the colony. [9] It was based on longitude 172°30′ east of Greenwich, that is 11 hours 30 minutes ahead of GMT. This standard was known as New Zealand Mean Time. [10]
UTC+12:00 – Main territory of New Zealand UTC+12:45 – Chatham Islands UTC+13:00 – Tokelau: Time in New Zealand: Brazil: 4: UTC−05:00 (Brasília time −2) – Acre and Southwestern Amazonas UTC−04:00 (Brasília time −1) – Most part of the Amazonas State, Mato Grosso, Mato Grosso do Sul, Rondônia, Roraima
This is a list of the UTC time offsets, showing the difference in hours and minutes from Coordinated Universal Time (UTC), from the westernmost (−12:00) to the easternmost (+14:00). It includes countries and regions that observe them during standard time or year-round. The main purpose of this page is to list the current standard time offsets ...
The director of the Geological Survey, James Hector, selected New Zealand time to be at the meridian 172°30′E. This was very close to the country's mean longitude and exactly 11 + 1 ⁄ 2 hours in advance of Greenwich Mean Time. It came into effect on 2 November 1868.
GMT: Greenwich Mean Time: UTC±00: GST: South Georgia and the South Sandwich Islands Time: ... New Zealand Daylight Time: UTC+13: NZST: New Zealand Standard Time ...
The time ball at Port Lyttelton, New Zealand, started signalling Greenwich Mean Time to ships in the harbour beginning in 1876. The Lyttelton Timeball Station was destroyed by an earthquake in 2011 but was rebuilt and reopened in 2018. [7] In March 1864 New Zealand's first time ball was established at Wellington.