What is a cusp?

In astrology, a cusp can refer to either signs or houses. Here are the two types of cusps in astrology.

  1. The imaginary line that separates a pair of consecutive signs in the zodiac (cusp of a sign). Many regard the cusp as a period of six days – that is 3 days before and after the time of sun sign change. Some claim that natives born during the 6-day cusp will be endowed with two sun signs, although most astrologers agree that you cannot have two sun signs. The sun is never recognized as being in two signs simultaneously.
  2. The line of division between two Houses on the horoscope (House cusp). A birth planet is stronger when it is on the cusp than when it is in the last degrees of a House. The angular cusps are doubtless the sharpest.

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