Thus the midnight position of a star alters by an hour every 15 days, and both shepherds and sailors were accustomed to memorise these stellar positions for every month or half-month, using easily recognised stars.
Nangona kwindawo zasenzulwini zobusuku inkwenkwezi ziguka ngeyure emva kwentsuku Nor ezilishumu elinesihlanu nabalusi bomhlambi bobabini, nabarhwebi ngenqanawa beqhelisa ukunkqaya ezindawo zenkwenkwezi kwinyanga nganye okanye ekwisiqingatha senyanga ukusebenzisa inkwenkwezi ezazeka lula.