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One hour of time is divided into 60 minutes, and one minute is divided into 60 seconds. Thus, a measurement of time such as 3:23:17 (3 hours, 23 minutes, and 17 seconds) can be interpreted as a whole sexagesimal number (no sexagesimal point), meaning 3 × 60 2 + 23 × 60 1 + 17 × 60 0 seconds.
hour: 60 min: deciday 0.1 d (10 % of a day) 2.4 hours, or 144 minutes. One-tenth of a day is 1 dd (deciday), also called "gēng" in traditional Chinese timekeeping. day: 24 h: Longest unit used on stopwatches and countdowns. The SI day is exactly 86 400 seconds. week: 7 d: Historically sometimes also called "sennight". decaday 10 d (1 Dd) 10 days.
An hour (symbol: h; [1] also abbreviated hr) is a unit of time historically reckoned as 1 ⁄ 24 of a day and defined contemporarily as exactly 3,600 seconds . There are 60 minutes in an hour, and 24 hours in a day. The hour was initially established in the ancient Near East as a variable measure of 1 ⁄ 12 of the night or daytime.
Sounds of the 60s is a long-running Saturday morning programme on BBC Radio 2 that features recordings of popular music made in the 1960s. It was first broadcast on 12 February 1983 and introduced by Keith Fordyce , who had been the first presenter of the TV show Ready Steady Go! in 1963.
Such alternative units did not gain any notable acceptance. In China, during the Song dynasty, a day was divided into smaller units, called kè . One kè was usually defined as 1 ⁄ 100 of a day until 1628, though there were short periods before then where days had 96, 108 or 120 kè. [7] A kè is about 14.4 minutes, or 14 minutes 24 seconds.
The natural day (dies naturalis) ran from sunrise to sunset. [6] The hours were numbered from one to twelve as hora prima, hora secunda, hora tertia, etc. To indicate that it is a day or night hour, Romans used expressions such as for example prima diei hora (first hour of the day), and prima noctis hora (first hour of the night). [7]
The 1960s (pronounced "nineteen-sixties", shortened to the "' 60s" or the "Sixties") was a decade that began on January 1, 1960, and ended on December 31, 1969. [1]While the achievements of humans being launched into space, orbiting Earth, perform spacewalk and walking on the Moon extended exploration, the Sixties are known as the "countercultural decade" in the United States and other Western ...
The midnight closedown of the Light Programme resumed one year later from Sunday 11 April 1948. [13] [14] The long-running soap opera The Archers was first heard nationally on the Light Programme on New Year's Day 1951, [15] although a week-long pilot version had been broadcast on the Midlands Home Service in 1950. [16]