THE Royal Observatory at Greenwich has lately acquired a new standard sidereal clock which possesses several peculiarities of construction. The one formerly in use was that made by Hardy, and ...

About time keeping, the definition of “sidereal” is “of or with respect to the distant stars (i.e. the constellations or the fixed stars, not the sun or planets)”, as defined after a google search.

Sidereal time is a measurement of Earth's rotation relative to distant stars. A sidereal day is the time taken for a star to return to the same position in the sky. Solar time differs from sidereal ...

THE FRENCH WIRELESS TIME-SIGNALS.—These signals are now so widely used by astronomers for time-determination that it is well to direct attention to an alteration which is announced in Circulaire No. 4 ...

Thirty-four years ago, time stopped for two German-made Riefler clocks-at least the 1908 wall pieces no longer kept time by the stars. It was at that time the clocks disappeared from the Elgin ...

There is a strange clock in the waiting room of Lord Vetinari, Patrician of Ankh-Morpork. While this clock keeps accurate time overall, the ticks and tocks are out of sync, occasionally missing a tick ...

Get ready for your horoscope to change it’s scope. For centuries, human beings have searched the stars to help them navigate the earth and understand themselves. Ancient Babylonians were among the ...

Mechanical watches are full of features with practical origins but with virtually no use to most people who wear them. Will you ever use a chronograph’s tachymeter or a dive watch’s helium escape ...

There is a strange clock in the waiting room of Lord Vetinari, Patrician of Ankh-Morpork. While this clock keeps accurate time overall, the ticks and tocks are out of sync, occasionally missing a tick ...