Vuto la tsiku lobadwa
Kuchuluka kwa anthu kofunikira kuti awiri mwina agawane tsiku lobadwa, kapena kuchuluka kwa kuzungulira kuti nambala mwina ibwerezedwe. Pa gudumu la tibowo 37, kuzungulira 8 nkokwanira kuti mwayi upitirire theka.
M’nkhani
Ndichifukwa chake mabolodi a zotsatira amadzaza ndi kubwerezabwereza: chiwerengero cha awiriawiri a kuzungulira chimakula mofulumira kwambiri kuposa chiwerengero cha kuzungulira, ndipo awiri aliwonse angafanane.
Ndi masiku obadwa 365 yankho ndi anthu 23. Vutoli nthawi zambiri limatchulidwa kuti linachokera kwa katswiri wa masamu Richard von Mises, mu 1939.