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0.17 minutes 10 2: hectosecond: 100: 1.67 minutes (or 1 minute 40 seconds) 10 3: kilosecond: 1 000: 16.7 minutes (or 16 minutes and 40 seconds) 10 6: megasecond: 1 000 000: 11.6 days (or 11 days, 13 hours, 46 minutes and 40 seconds) 10 9: gigasecond: 1 000 000 000: 31.7 years (or 31 years, 252 days, 1 hour, 46 minutes, 40 seconds, assuming that ...
minutes (1 hs = 1 min 40 s = 100 s) 2 hs (3 min 20 s): The average length of the most popular YouTube videos as of January 2017 [15] 5.55 hs (9 min 12 s): The longest videos in the above study 7.1 hs (11 m 50 s): The time for a human walking at average speed of 1.4 m/s to walk 1 kilometre 10 3: kilosecond ks minutes, hours, days (1 ks = 16 min ...
For others, there would be 50 decimal minutes per decimal hour, and 100 decimal seconds per decimal minute. His new hours, minutes, and seconds would thus be more similar to the old units. [14] C.A. Prieur (of the Côte-d'Or), read at the National Convention on Ventôse 11, year III (March 1, 1795):
10 3 s: About 17 minutes. 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 ...
The second is readily determined from the Earth's rotation period. Unlike other units, time multiples are not decimal. A second is 1 / 60 of a minute, which is 1 / 60 of an hour, which is 1 / 24 of a day, so a second is 1 / 86 400 of a day.
[20] [21] [22] The decimal prefix for ten thousand, myria-(sometimes spelt myrio-), and the early binary prefixes double-(2×) and demi-( 1 / 2 ×) were parts of the original metric system adopted by France in 1795, [23] [d] but were not retained when the SI prefixes were internationally adopted by the 11th CGPM conference in 1960.
For example, @248 BEATS indicates a time 248 .beats after midnight, or 248 ⁄ 1000 of a day (just over 5 hours and 57 minutes; or 5:57 AM UTC+1). There are no time zones in Swatch Internet Time; it is a globally unified timekeeping system based on what Swatch calls "Biel Mean Time" (BMT), the time zone conventionally known as Central European ...
Gravitational metric system was a little-used variant of the metric system that normalised the acceleration due to gravity. Metre–tonne–second system of units was a variant of the metric system used in French and Russian industry between the First and Second World Wars. Between 1812 and 1839 France used a quasi-metric system: Mesures usuelles