Enter the data into a reliable Jyotish calculator (we recommend standard platforms like JHora, AstroSage, or specialized Arudha calculators). Ensure the calculator specifies "Upapada Lagna (UL)" and not simply "Pada" or "Bhava."
A: Almost. But if birth time differs by 4+ minutes, the Lagna changes, shifting the 12th house cusp. Twins born via C-section 2 minutes apart may have different UL – explaining different marriage fates. Upapada Lagna Calculator
This is a microcosm of the 7th house. The ruler of the 7th from UL in the Navamsa (D-9) chart specifically describes the spouse's appearance and profession. Enter the data into a reliable Jyotish calculator
Example Interpretation:
Count the same number of houses forward from the position of the 12th Lord. The sign arrived at is the Pada (preliminary Arudha). Twins born via C-section 2 minutes apart may
Upapada Lagna (UL) = Arudha of the 12th house.