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Home > World > Africa > Comoros > Moroni

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Local time in MORONI - COMOROS

Moroni - Comoros Actual Time and Date

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Weather Forecast at Moroni

UTC/GMT Offset Actual offset : UTC/GMT 3 hours
No offset at this time
Coordinates Latitude : 11° 40' south
Longitude : 43° 19' east
Astronomic Observations Sunrise at : 09:01 am
Transition hout : 03:04 pm
Sunset at : 09:08 pm
Duration of day : 12 hours
Civil twilight start at : 08:40 am
Civil twilight end at : 09:28 pm
Speaking clock Information

Bürgi's clocks were a great improvement in accuracy as they were correct to within a minute a day. These clocks helped the 16th-century astronomer Tycho Brahe to observe astronomical events with much greater precision than before.
A mechanical weight-driven astronomical clock with a verge-and-foliot escapement, a striking train of gears, an alarm, and a representation of the moon's phases was described by the Ottoman engineer Taqi al-Din in his book, The Brightest Stars for the Construction of Mechanical Clocks (Al-Kawākib al-durriyya fī wadh' al-bankāmat al-dawriyya), published in 1556-1559.[23] Similarly to earlier 15th-century European alarm clocks,[24][25] it was capable of sounding at a specified time, achieved by placing a peg on the dial wheel
At the requested time, the peg activated a ringing device
The clock had three dials which indicated hours, degrees and minutes
He later made an observational clock for the Istanbul observatory of Taqi al-Din (1577–1580), describing it as "a mechanical clock with three dials which show the hours, the minutes, and the seconds." This was an important innovation in 16th-century practical astronomy, as at the start of the century clocks were not accurate enough to be used for astronomical purposes.[26]
French rococo bracket clocks, (Museum of Time, Besançon)
The next development in accuracy occurred after 1656 with the invention of the pendulum clock
Galileo had the idea to use a swinging bob to regulate the motion of a time telling device earlier in the 17th century
Christiaan Huygens, however, is usually credited as the inventor
He determined the mathematical formula that related pendulum length to time (99.38 cm or 39.13 inches for the one second movement) and had the first pendulum-driven clock made
In 1670, the English clockmaker William Clement created the anchor escapement, an improvement over Huygens' crown escapement
Within just one generation, minute hands and then second hands were added.
A major stimulus to improving the accuracy and reliability of clocks was the importance of precise time-keeping for navigation
The position of a ship at sea could be determined with reasonable accuracy if a navigator could refer to a clock that lost or gained less than about 10 seconds per day
This clock could not contain a pendulum, which would be virtually useless on a rocking ship
Many European governments offered a large prize for anyone that could determine longitude accurately; for example, Great Britain offered 20,000 pounds, equivalent to millions of dollars today
The reward was eventually claimed in 1761 by John Harrison, who dedicated his life to improving the accuracy of his clocks
His H5 clock was in error by less than 5 seconds over 10 weeks.[27]
The excitement over the pendulum clock had attracted the attention of designers resulting in a proliferation of clock forms
Notably, the longcase clock (also known as the grandfather clock) was created to house the pendulum and works

Source : Wikipedia