Question:

How many days exactly are in a year???????

by Guest11022  |  earlier

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  1. A litle more than 365.25 days.

    No stars required, but here's one for you.


  2. The average length of this calendar's year is 365.2425 mean solar days (which can be thought of as 97 out of 400 years being leap years) whereas the vernal equinox year is 365.2424 days.

    I cheated and used Wikipedia :(

    http://en.wikipedia.org/wiki/Year#Calend...


  3. 365.25 days - 8 minutes, 11 seconds

  4. 365 in a year, and 366 in a leep year : )

  5. The average length of the Gregorian calendar's  year is 365.2425 mean solar days.

    The Julian year, as used in astronomy and other sciences, is a time unit defined as exactly 365.25 days

    The sidereal year is the time taken for the Earth to complete one revolution of its orbit, as measured against a fixed frame of reference (such as the fixed stars, Latin sidera, singular sidus). Its duration in SI days of 86,400 SI seconds each is on average:

    365.256 363 051 days

    The tropical year is the time taken for the Earth to complete one revolution with respect to the framework provided by the intersection of the ecliptic (the plane of the orbit of the Earth) and the plane of the equator (the plane perpendicular to the rotation axis of the Earth). The exact length of a tropical year slightly depends on the chosen starting point: for example the vernal equinox year is the time between successive vernal equinoxes. The mean tropical year (averaged over all ecliptic points) is:

    365.242 189 67 days

    The anomalistic year is the time taken for the Earth to complete one revolution with respect to its apsides. The orbit of the Earth is elliptical; the extreme points, called apsides, are the perihelion, where the Earth is closest to the Sun (January 3 in 2008), and the aphelion, where the Earth is farthest from the Sun (July 4 in 2008). The anomalistic year is usually defined as the time between two successive perihelion passages. Its average duration is:

    365.259 635 864 days

    enough? there are more..

    .

  6. 365.2424 days =year for the Eastern year

    354days for the Moslem's year

    354 x3     366 x1   in the jewish calendar


  7. there are 365 days in 1 year and 366 in a leap year which falls on the 29th of february every 4 years.

  8. a year is 365 days

  9. It all depends on which planet that you are speaking about.

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