Vim li cas peb thiaj hu nws lub hnub ci xyoo?
Vim li cas peb thiaj hu nws lub hnub ci xyoo?

Video: Vim li cas peb thiaj hu nws lub hnub ci xyoo?

Video: Vim li cas peb thiaj hu nws lub hnub ci xyoo?
Video: Vim li Cas eg jk thb quaj 2024, Kaum ib hlis
Anonim

hnub ci xyoo . Lub sij hawm ntawm lub sij hawm yuav tsum tau rau lub ntiaj teb ua ib tug ua tiav kiv puag ncig lub hnub, ntsuas los ntawm ib tug vernal equinox mus rau lub tom ntej. thiab sib npaug rau 365 hnub, 5 teev, 48 feeb, 45.51 vib nas this. Kuj hu ua astronomical xyoo , teb chaws sov xyoo.

Ua li no, koj txhais li cas los ntawm hnub ci xyoo?

Cov hnub ci xyoo (365 hnub 5 teev 48 feeb 46 vib nas this), kuj hu ua tropical xyoo , los yog xyoo ntawm lub caij, yog lub sijhawm ntawm ob qhov kev tshwm sim ua tiav ntawm vernal equinox (lub sijhawm thaum lub hnub pom meej hla lub celestial equator mus rau sab qaum teb).

Ib sab saum toj no, leej twg xam lub hnub ci xyoo? Erasmus Reinhold tau siv Copernicus 'txoj kev xav los suav Prutenic Tables hauv 1551, thiab muab qhov chaw sov. xyoo ntev 365 hnub ci hnub, 5 teev, 55 feeb, 58 vib nas this (365.24720 hnub), raws li qhov ntev ntawm ib tug sidereal xyoo thiab presumed tus nqi ntawm precession.

Tsis tas li ntawd, hnub ci xyoo yog ntev npaum li cas?

365.24219 hnub

Hnub ci calendar hu ua dab tsi?

Xws li ib daim ntawv qhia hnub yog hu ua ib qho chaw sov hnub ci daim ntawv qhia hnub . Lub sijhawm ntawm qhov nruab nrab daim ntawv qhia hnub xyoo ntawd ib daim ntawv qhia hnub kwv yees qee hom xyoo tauj xyoo, feem ntau yog lub xyoo kub kub lossis xyoo vernal equinox. Cov hauv qab no yog tropical hnub ci daim ntawv qhia hnub :_Gregorian daim ntawv qhia hnub . _ Julian ib daim ntawv qhia hnub.

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