Cov laj thawj rau qhov tsis sib xws ntawm cov hnub so uas poob tawm ntawm lub voj voog Easter yog vim muaj qhov sib txawv hauv cov ntawv qhia hnub nyoog. Raws li Gregorian tus qauv, ntxiv rau cov Catholics, cov tsev teev ntuj nyob sab hnub tuaj nyob, thiab cov parishioners ntawm Lavxias, Yeluxalees thiab Georgia cov ntseeg tau muab siab rau Julian style. Cov teeb meem nyuaj tshaj plaws yog cuam tshuam nrog kev txiav txim siab cov hnub so ntawm Easter, Ascension, Ntsuj Plig ntawm lub hnub. Raws li kev suav ntawm cov kws tshawb fawb, feem ntau yuav muaj hnub Xas Ntshis Kiab yog Lub Plaub Hlis 7, 30 BC.
Cov Lus Qhia
Kauj ruam 1
Koj tuaj yeem xam hnub Easter uas poob rau txhua xyoo yav dhau los lossis yav tom ntej. Txoj cai dav dav rau suav hnub Easter: Easter yog ua kev zoo siab rau thawj Hnub Sunday tom qab lub caij nplooj ntoo hlav puv hli. Nyob rau hauv lem, lub caij nplooj ntoos hlav lub hli tag nrho yog thawj lub hli tag nrho uas tshwm sim tom qab vernal equinox. Yog tias Easter puv hli puv rau hnub Sunday, tom qab ntawd hnub Easter yog ua rau Hnub Sunday tom qab. Yog li, ua ntej txiav txim siab hnub ntawm vernal equinox, tom qab ntawd txiav txim siab hnub ze tshaj plaws ntawm lub hli tag nrho, tom qab hnub ntawm vernal equinox, thiab hnub Easter yuav yog hnub Sunday tom qab hnub ntawm lub hli tag nrho. Raws li txoj cai yooj yim no, hnub kawg rau hnub Easter yuav yog Plaub Hlis 25, 2038. Hnub pib sai tshaj plaws yog Lub Peb Hlis 22, 2285.
Kauj ruam 2
Qhov thib ob los txiav txim siab txog hnub Easter yog qhov kev qhia ib qib zuj zus rau kev ua cov lej laij zauv yooj yim. Ua ntej, nrhiav qhov seem ntawm tus lej xyoo uas tau muab faib los ntawm 19. Qhov thib ob, nrhiav qhov seem uas muaj nyob ntawm lub xyoo muab faib los ntawm 4.
Kauj ruam 3
Nrhiav cov seem ntawm kev faib cov leb tawm xyoo ntawm 7. Tom ntej no, khoo 19 ntawm thawj cov seem, tom qab faib cov txiaj ntsig ntawm 30, nrhiav cov seem.
Tam sim no khij 2 los ntawm cov seem ob, 4 los ntawm cov seem peb, 6 los ntawm cov seem plaub, ntxiv tag nrho cov txiaj ntsig ua ke thiab ntxiv 6. Faib cov txiaj ntsig ntawm 7, nrhiav cov seem.
Kauj ruam 4
Yog tias tus lej ntawm tus thib plaub uas tseem tshuav thiab thib tsib tseem tsawg dua 9, ces Easter poob rau lub hli ntawm lub Peb Hlis, thiab nws cov hnub tau txiav txim siab raws li nram no: ntxiv qhov seem thib plaub, seem thib tsib thiab 22. Yog tias tus lej ntawm plaub qhov seem thiab seem thib tsib yog ntau dua 9, tom qab ntawd Easter poob rau lub Plaub Hlis, thiab nws tau txiav txim siab hnub raws li nram no: ntxiv qhov seem plaub thiab seem thib tsib, thiab rho tawm 9. Cov kev txiav txim siab yog thoob plaws, tab sis tom qab 90 xyoo nws yuav hla ib co hloov, vim tias txij lub Ib Hlis 1, 2101, qhov sib txawv ntawm cov qauv qub thiab tshiab yuav nce ntxiv, tom qab ntawd nws yuav yog 14 hnub.
