In Cuspal Interlinks Theory, Birth Time Rectification is done in very systematic way. It is believed that CIL Theory is best astroloical tool for rectification of a horoscope. The rectification procedure has been summed up in seven steps.
7 Steps of Rectification / Determination of Time of Birth
A) The Sub Lord and Sub-Sub Lord of Ascendant should be linked with the Star Lord of Moon;
B) Sex Determination;
C) Ascendant Co-rulers should be linked with 10, 1 and 7 Cusp/House;
D) Moonâs Position Co-rulers should be linked with 10, 1 and 7 Cusp/House;
E) Prana Lord at birth time of the native should be linked with 10, 1 and 7 Cusp/House;
F) Ascertaining the Genetical Connections;
G) Verification of Past Events.