TIME

In Music, that affection of sound whereby shortne or length is denominated as regards its continuity on the same degree of tune. Time may be considered either with respect to the absolute duration of the notes themselves, measured by motion foreign to music, or with respect to the proportion or quantity of notes compared with each other. The signs or characters by which the time of notes ■■n ted are given under the article Music. Time. A limited portion of duration, measured by certain conventional or natural periods, and often marked by particular phenomena — as the revolution of the celestial bodies, more especially of the sun, or the rotation of the earth ■\is. Absolute Time is time considered in itself without referoal portion of duration to which it belongs, however noted or marked. Relative Time, is time considered with reference to the termini of some specific interval of duration. Apparent Time is time deduced from observations of the sun, and is the same as that shown by a properly adjusted sun-dial..Warn Time is that shown by a well-regulated clock; and would be the same as that shown by the sun. if the sun were always in the equator, nnd his apparent diurnal motion In the heavens were uniform. ( Time is the portion of a sidereal day which has nee the transit of the first point of Aries. It represents at any moment the right ascension of whatever object is then upon the meridian. Astronomical Time of Day is the time past mean noon of that day, nnd is reckoned on to twenty-four hours in mean time. I niie is mean time adapted to the purposes of civil life. The day commences at the midnight preceding the noon of the day, and is divided into parts of twelve Hours ench, the first twelve marked A.M., or ante meridiem, and id P.M.. or post meridiem. [s. 1263]