Concise formula (practical variant used by many astrologers):
For centuries, astrologers have turned to the Upapada to answer the most pressing questions: When will I marry? What will my spouse be like? Will my marriage be a source of joy or a spiritual lesson in detachment? Upapada Lagna Calculator
Identify the planet that rules the sign in the 12th house. Upapada Lagna Calculator
Compute sign numbers: