User:Luziyca/Sandbox
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| Time zone | |
| Template:Infobox time zone/image World map with the time zone highlighted | |
| UTC offset | |
| RST | UTC+03:45 |
| Current time | |
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| Central meridian | |
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Rwizikuran Standard Time (RST) is the sole time zone of Rwizikuru, with Rwizikuru's time zone being an offset of UTC+3:45.
History
The time zone of Rwizikuru was originally calculated by being based on the location of Signal Hill Observatory in Port Fitzhubert, with Riziland Standard Time first being defined in 1866 as being "when the sun rises at its highest point over Signal Hill" (i.e. giving the colony an offset of UTC+03:51:04).
The adoption of the time zone was necessitated by the fact that the colony straddles both UTC+3:00 and UTC+4:00, while the desires of the Estmerish officials to have a singular time zone for the Colony of Riziland meant that it was more convenient to apply the time used in Port Fitzhubert to the rest of the colony.
However, well into the early 20th century, local time continued to be widely used outside of government offices, with Port Graham de-facto using what was colloquially known as local time as late as 1911, with an offset of UTC+03:39:38. Thus, in 1913, the colonial government simplified the official time zone in Riziland from UTC+03:51:04 to UTC+03:45:00, with the calculation made by averaging the times used in Port Graham and Port Fitzhubert, and ensuring that the time would "always be three hours and forty-five minutes ahead of Morwall." The colonial government also required that all public clocks use Riziland Standard Time, as opposed to local time.
During the Great War, temporary daylight saving time was introduced in 1928, with clocks advancing to UTC+04:45 year-round. Following the fall of Estmere in 1929, however, Riziland Standard Time was replaced with Eastern Bahian Time (UTC+4:00) in eastern parts of the colony, while western parts of the colony adopted Central Bahian Time (UTC+3:00).
After the end of the Great War and the liberation of Riziland, Estmere would apply Riziland Standard Time to the mandates of Kigomba and East Riziland, thus necessitating clocks in those regions to advance forward 45 minutes in TBD and advance backward 15 minutes in Sainte-Germaine.
(TBC)