यामाश्चत्वारश्चत्वारो मर्त्यानामहनी उभे । पक्ष: पञ्चदशाहानि शुक्ल: कृष्णश्च मानद ॥ १० ॥
yamas catvaras catvaro martyanam ahani ubhe paksah panca-dasahani suklah krsnas ca manada
- yamah
- three hours
- catvarah
- four
- catvarah
- and four
- martyanam
- of the human beings
- ahani
- duration of day
- ubhe
- both day and night
- paksah
- fortnight
- panca-dasa
- fifteen
- ahani
- days
- suklah
- white
- krsnah
- black
- ca
- also
- manada
- measured.
It is calculated that there are four praharas, which are also called yamas, in the day and four in the night of the human being. Similarly, fifteen days and nights are a fortnight, and there are two fortnights, white and black, in a month.