According to science how many days are in a year?
singleAnswer
365.25
Year Unit of time
days in a year scientific measure of a year
Year Nine Days in One Year February 29 Leap year Category:Days of the year Gregorian calendar Wikipedia:WikiProject Days of the year Julian calendar Anti-sidereal time Quarter days
A <b>year</b> is the orbital period of the Earth moving in its orbit around the Sun. Due to 
the Earth&#39;s ... A calendar <b>year</b> is an approximation of the number of <b>days</b> of the 
Earth&#39;s orbital period, as counted in a given calendar. The Gregorian calendar, or
&nbsp;... Nine <b>Days</b> in One <b>Year</b> is a 1962 Soviet black-and-white drama film directed by 
Mikhail Romm about nuclear particle physics, physicists and their relationships. February 29, also known as leap day or leap <b>year</b> day, is a date added to most 
years that are ... The length of the tropical <b>year</b> in 2000 was 365.24217 mean 
solar <b>days</b>, Adding a calendar day every four years, therefore, results in an 
excess of&nbsp;... A leap <b>year</b> is a calendar <b>year</b> that contains an additional day added to keep the 
calendar <b>year</b> synchronized with the astronomical <b>year</b> or seasonal <b>year</b>. 
Because astronomical events and seasons do not repeat in a whole number of 
<b>days</b>, calendars that have the same number of <b>days</b> in each <b>year</b>&nbsp;... This category is for all of the <b>days</b> of the <b>year</b> (January 1 ... December 31) and it is 
distinct from Category:<b>Days</b> which is a category of categories about date&nbsp;... The Gregorian calendar is the calendar used in most of the world. It is named 
after Pope Gregory XIII, who introduced it in October 1582. The calendar spaces 
leap years to make the average <b>year</b> 365.2425 <b>days</b>&nbsp;... This is a WikiProject page relating to <b>days</b> of the <b>year</b>. It is meant to be a style 
guide for date pages (for example, January 1, January 2, January 3, etc.). It is the
&nbsp;... The Julian calendar, proposed by Julius Caesar in 708 Ab urbe condita (46 BC), 
was a reform ... In this system, the average Roman <b>year</b> would have had ​366 <sup>1</sup>⁄
4 <b>days</b> over four years, giving it an average drift of one day per <b>year</b> relative to&nbsp;... Anti-sidereal time and extended-sidereal time are artificial time standards used to 
analyze the daily variation in the number of cosmic rays received on Earth. Anti-
sidereal time has about 364.25 <b>days</b> per <b>year</b>, one day less than the&nbsp;... In British and Irish tradition, the quarter <b>days</b> were the four dates in each <b>year</b> on 
which servants were hired, school terms started, and rents were due. They fell&nbsp;...
Unit of time Year Light-year Impact factor History of the metric system List of unusual units of measurement Keeling Curve Tropical year Speed of light List of humorous units of measurement
A unit of time or midst unit is any particular time interval, used as a standard way 
of <b>measuring</b> ... The second became the international standard unit (SI units) for 
<b>science</b>. Celestial sphere-based: as in ... The galactic <b>year</b>, based on the rotation 
of the galaxy, and usually <b>measured</b> in million years. The geological time scale&nbsp;... A <b>year</b> is the orbital period of the Earth moving in its orbit around the Sun. Due to 
the Earth&#39;s ... Financial and <b>scientific</b> calculations often use a 365-day calendar to 
simplify daily rates. ... So a &quot;tropical <b>year</b>&quot; <b>measured</b> from one passage of the 
northward (&quot;vernal&quot;) equinox to the next, differs from the one <b>measured</b> between
&nbsp;... The light-<b>year</b> is a unit of length used to express astronomical distances and 
<b>measures</b> about ... used when expressing distances to stars and other distances 
on a galactic scale, especially in non-specialist and popular <b>science</b> publications. This article is about a <b>measure</b> of journal influence. For other similar metrics, see 
Citation impact. The impact factor (IF) or journal impact factor (JIF) of an 
academic journal is a scientometric ... In any given <b>year</b>, the impact factor of a 
journal is the number of citations, received in that <b>year</b>, of articles published in 
that journal&nbsp;... The history of the metric system began in the Age of Enlightenment with notions 
of length and ... In December of that <b>year</b>, the metric system based on them 
became by law the sole system of weights and <b>measures</b> in ... The concept of 
naming units of <b>measure</b> after noteworthy <b>scientists</b> was subsequently used for 
other units. An unusual unit of measurement is a unit of measurement that does not form part 
of a coherent ... Many of the unusual units of <b>measurements</b> listed here are 
colloquial ... young <b>scientists</b> and policy makers the ability to conceptualize the 
magnitude of very ... The Darian calendar is an arrangement of sols into a 
Martian <b>year</b>. The Keeling Curve is a graph of the accumulation of carbon dioxide in the Earth&#39;s 
atmosphere based on continuous <b>measurements</b> taken at the Mauna Loa 
Observatory on the island of Hawaii from 1958 to the present day. The curve is 
named for the <b>scientist</b> Charles David Keeling, who started the ... Keeling&#39;s 
<b>measurements</b> showed the first significant evidence of rapidly&nbsp;... A tropical <b>year</b> is the time that the Sun takes to return to the same position in the 
cycle of ... When tropical <b>year measurements</b> from several successive years are 
... The Gregorian calendar, as used for civil and <b>scientific</b> purposes, is an&nbsp;... The speed of light in vacuum, commonly denoted c, is a universal physical 
constant important ... The speed of light can be used with time of flight 
<b>measurements</b> to <b>measure</b> large ... in light-years, especially in popular <b>science</b> 
publications and media. A light-<b>year</b> is the distance light travels in one <b>year</b>, 
around 9461 billion&nbsp;... Many people have made use of, or invented, units of measurement intended 
primarily for their ... Parsecs are used in astronomy to <b>measure</b> interstellar 
distances. ... The beard-second is a unit of length inspired by the light-<b>year</b>, but 
applicable to ... A <b>scientist</b> on the research vessel EV Nautilus is credited with 
pioneering the&nbsp;...
365.25 days
Year