Kodi mumawerengera bwanji zaka zanu zoyembekezera?

Amayi ambiri apakati sadziwa njira yolondola yowerengera zaka za mimba yawo, ndipo ena a iwo sadziwa nkomwe njira yowerengera.Lero ku Ana Salwa, tikuwonetsani, mayi wapakati, wosavuta, wovuta kwambiri. , njira yolondola kwambiri, yotsimikiziridwa ndi mazana a maphunziro apadziko lonse, akale ndi aposachedwapa, otchedwa njira kapena ulamuliro wa Nigel (Naegele) pokhudzana ndi Woyamba kuigwiritsa ntchito kuti awerengetse zaka zoyembekezera komanso tsiku loyembekezeredwa kubadwa.
Njirayi ndi: tsiku loyamba la nthawi yotsiriza + miyezi 9 ndi masiku 10 = tsiku loyembekezeredwa loperekedwa.
Chitsanzo: Ngati tsiku loyamba la kusamba kwanu ndi March 10 (10/3), ndiye kuti tsiku limene mukuyembekezera ndi December 20 (20/12), ndipo 20 iliyonse ya mwezi imayamba mwezi watsopano.
Chitsanzo chachiwiri: Ngati tsiku lanu lomaliza ndi October 7 (7/10), ndiye kuti tsiku limene mukuyembekezera kubadwa ndi July 17 (17/7) ndipo 17 iliyonse ya mwezi imayamba mwezi watsopano.
Ndikwabwino kuwerengera zaka zanu zoyembekezera m'miyezi, osati masabata, mosavuta.