The word Horā has been described by Kalyana Verma in the book Saravali. In this Jyotiṣa classic, Kalyana Verma enlightens us with the following knowledge: The word Horā comes from the word Ahorātra, which means “day and night” or that which defines a civil day from sunrise to sunrise. Thus by removing the beginning A and the atra in the end of the word, we get the word Horā.
Some people feel that this word Horā is of Greek origin, however whoever came first in this process of giving names and terminology is besides the point in this matter, as the word clearly has a root in the Sanskrit language. The Greeks have used this word to define the 24 hours of a day and hence there are 24 Horā in a day. The starting time of these Horā is traditionally accepted in India as teh start of the day itself or Sunrise. This has changed in western culture, but not without astrological relevance.
The tradition of Śrī Āchyutānanda Dasa teaches that the civil-starting point of the day changes depending on the age (Yuga) that mankind is undergoing…