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Hexadecimal time is the representation of the time of day as a hexadecimal number in the interval [0, 1). The day is divided into 10 16 (16 10 ) hexadecimal hours, each hour into 100 16 (256 10 ) hexadecimal minutes, and each minute into 10 16 (16 10 ) hexadecimal seconds.
A minute (min) is 60 seconds in length (or, rarely, 59 or 61 seconds when leap seconds are employed), and an hour is 60 minutes or 3600 seconds in length. A day is usually 24 hours or 86,400 seconds in length; however, the duration of a calendar day can vary due to Daylight saving time and Leap seconds .
At solar noon the hour angle is zero degrees, with the time before solar noon expressed as negative degrees, and the local time after solar noon expressed as positive degrees. For example, at 10:30 AM local apparent time the hour angle is −22.5° (15° per hour times 1.5 hours before noon). [4]
These considerations outweigh the convenient divisibility of the number 360. One complete turn (360°) is equal to 2 π radians, so 180° is equal to π radians, or equivalently, the degree is a mathematical constant: 1° = π ⁄ 180. One turn (corresponding to a cycle or revolution) is equal to 360°.
[17] Moreover, the slogan "two plus two equals five", is the title of the collection of absurdist short stories Deux et deux font cinq (Two and Two Make Five, 1895), by Alphonse Allais; [1] and the title of the imagist art manifesto 2 x 2 = 5 (1920), by the poet Vadim Shershenevich. [2]
One radian is defined as the angle at the center of a circle in a plane that subtends an arc whose length equals the radius of the circle. [6] More generally, the magnitude in radians of a subtended angle is equal to the ratio of the arc length to the radius of the circle; that is, =, where θ is the magnitude in radians of the subtended angle, s is arc length, and r is radius.
Date Areas Lat Long Depth (km) Mag. MMI Deaths Injuries Notes; 2025-01-20: Tainan, Chiayi 23.234 120.475 10.0 6.0 M w : VI 50 Hundreds of buildings destroyed / Power outages / Additional damage from aftershocks
Key No longer contested at the Summer Olympics Men's records Usain Bolt currently holds three Olympic records; two individually in the 100m & 200m, and one with the Jamaican 4 × 100 m relay team. Ethiopian long-distance runner Kenenisa Bekele holds the Olympic record in the 5,000 m. ♦ denotes a performance that is also a current world record. Statistics are correct as of August 5, 2024 ...