Senses
天数/ 天數 fate
fate or destiny; the will of heaven as determined by fortune and misfortune
天数/ 天數 number of days
the number of days or the length of a time period measured in days
天数/ 天數 odd numbers
(in the Classic of Changes) the odd numbers (1, 3, 5, 7, 9), associated with heaven/Yang
天数/ 天數 astronomy
(archaic) astronomy or the study of celestial phenomena