julian day wikipedia - EAS
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Xem tất cả trên Wikipediahttps://en.wikipedia.org/wiki/Julian_dayThe Julian day is the continuous count of days since the beginning of the Julian period, and is used primarily by astronomers, and in software for easily calculating elapsed days between two events (e.g. food production date and sell by date). The Julian day number (JDN) is the integer assigned
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Xem thêmThe term Julian date may also refer, outside of astronomy, to the day-of-year number (more properly, the ordinal date) in the Gregorian calendar, especially in computer programming, the military and the food industry, or it may
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Xem thêmBecause the starting point or reference epoch is so long ago, numbers in the Julian day can be quite large and cumbersome. A more recent starting point is sometimes used, for instance by dropping the leading digits, in order to fit into limited computer memory with an adequate
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Xem thêmJulian Period
The Julian day number is based on the Julian Period proposed by Joseph Scaliger, a classical scholar, in 1583 (one year after the Gregorian calendar reform) as it is the product of three calendar cycles used with the Julian calendar:...
Xem thêmThe Julian day number can be calculated using the following formulas (integer division rounding towards zero is used exclusively, that is, positive values are rounded down and negative values are rounded up):
The months January to...
Xem thêmAs stated above, the Julian date (JD) of any instant is the Julian day number for the preceding noon in Universal Time plus the fraction of the day since that instant. Ordinarily calculating the fractional portion of the JD is straightforward; the number of seconds that have elapsed
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Xem thêm• Julian year (calendar)
• 5th millennium BC
• Barycentric Julian Date
• Dual dating
• Decimal time...
Xem thêm• Alsted, Johann Heinrich 1649 [1630]. Encyclopaedia (in Latin), Tome 4, Page 122.
• American Ephemeris and Nautical Almanac, Washington, 1855–1980, Hathi Trust...
Xem thêmVăn bản Wikipedia theo giấy phép CC-BY-SAMục này có hữu ích không?Cảm ơn! Cung cấp thêm phản hồiJulian Day (artist) - Wikipedia
https://en.wikipedia.org/wiki/Julian_Day_(artist)Julian Day is a visual artist, composer and broadcaster. His artwork has featured at the 2017 California-Pacific Triennial at Orange County Museum of Art, the 8th Asia Pacific Triennial at the Queensland Gallery of Modern Art, Australian Centre for Contemporary Art (NEW16) and Museum of Contemporary Art Australia.
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Julian day - Simple English Wikipedia, the free encyclopedia
https://simple.wikipedia.org/wiki/Julian_dayThe Julian day or Julian day number (JDN) is the number of days that have passed since the initial epoch defined as noon Universal Time (UT) Monday, 1 January 4713 BC in the Julian calendar. That noon-to-noon day is defined as Julian day 0. Thus all JDNs that are evenly divisible by 7 are Mondays.
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- https://en.wikipedia.org/wiki/Julian_calendar
The Roman calendar began the year on 1 January, and this remained the start of the year after the Julian reform. However, even after local calendars were aligned to the Julian calendar, they started the new year on different dates. The Alexandrian calendar in Egypt started on 29 August (30 August after an Alexandrian leap year). Several local provincial calendars were aligned to start on the birthday of Augustus, 23 September. The indiction caused the Byzantineyear, which used …
Wikipedia · Nội dung trong CC-BY-SA giấy phép Julian C. Day - Wikipedia
https://en.wikipedia.org/wiki/Julian_C._DayJulian C. Day (born May 14, 1952) is an American corporate executive. He is the former President and CEO of Kmart and the former CEO of RadioShack. Career. Day was elected chairman and CEO of RadioShack in 2006 and stepped down in 2011. In 2002, Day became President and COO of Kmart Holding Corporation and in 2003 he was promoted to CEO.
- Sinh: May 14, 1952 (age 69)
- Nghề nghiệp: corporate executive
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Julian R. Day - Wikipedia
https://en.wikipedia.org/wiki/Julian_R._DayJulian Reginald Day is a published author, IT computer, project manager and charity fundraiser. Career. Day studied Business Studies at Plymouth Polytechnic (UK) and in 1978, Day entered the computer industry as a trainee sales and support executive with Burroughs in England. Since migrating to Australia in 1986, Day has been an IT consultant to large private and public …
Juliaanse dag - Wikipedia
https://nl.wikipedia.org/wiki/Juliaanse_dagDe juliaanse datum is de datum berekend volgens het wetenschappelijke Julian Date-systeem. Het is een getal, dat het aantal dagen na het gedefinieerde beginmoment aangeeft. Het drukt een bepaald moment uit. De juliaanse dag is de naar beneden op een geheel getal afgeronde waarde van de juliaanse datum. Als beginmoment is volgens de juliaanse kalender 1 januari van het …
Julianisches Datum – Wikipedia
https://de.wikipedia.org/wiki/Julianisches_DatumDas julianische Datum (abgekürzt JD für englisch Julian Date) ist eine in den Naturwissenschaften, besonders der Astronomie, gebräuchliche Tageszählung. Es gibt die Zeit in Tagen und Tagesbruchteilen an, die seit dem 1. Januar −4712 ( 4713 v. Chr. ), 12:00 Uhr UT vergangen ist. Dem Zeitpunkt Dienstag, der 15.
ユリウス通日 - Wikipedia
https://ja.wikipedia.org/wiki/ユリウス通日ユリウス通日 （ユリウスつうじつ、Julian Day、JD）とは、 ユリウス暦 紀元前4713年 1月1日 、すなわち 西暦 -4712年1月1日の 正午 （ 世界時 ）からの日数である 。 単に ユリウス日 （ ユリウスび ）ともいう。 時刻値を示すために一般には小数が付けられる。 例えば、 協定世界時 （UTC） での 2022年 2月24日 00:17 のユリウス通日の値は、おおむね2459634.51である。 目 …
- https://en.wikipedia.org/wiki/Julian_and_Sandy
Julian and Sandy were characters on the BBC radio comedy programme Round the Horne from 1965 to 1968 and were played by Hugh Paddick and Kenneth Williams respectively, with scripts written by Barry Took and Marty Feldman. According to a BBC Radio 4 programme on the characters, they were named after the writers Sandy Wilson and Julian Slade.
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