http://www.cosmitec-astrological-compat ... ndant.html

This article seems to support sideral zodiac at least for me,as I have Taurus lagna

"Whenever one of the disjunct zodiac signs (Taurus, Virgo, Scorpio or Pisces) is on the Ascendant, you tend to be "out of sync" with the other(s), with the outer environment as if the other(s) don't understand you, as if you are living in another world, as if you are born at the wrong moment and/or the wrong place etc.

The other hypothesis is that Sun in disjunct houses has a similar effect,but then the Sun must be of higher importance than ancient astrology credits it