The cusps of the lunar houses or asterisms. Certain positions in the Zodiac are considered critical -mostly based on the Lunar Mansions. Sometimes referring to 0 degrees and 29 degrees of zodiac signs. Lunar Mansion degrees are: 0 degrees, 12 degrees 51', and 25 degrees 43' of Cardinal signs; 8 degrees 34' and 21 degrees 26' of Fixed signs; and 4 degrees 17' and 17 degrees 09' of Mutable signs.
Comments: Critical Degrees