Upapada Lagna Calculator — Spouse & Marriage from your Vedic Chart

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Enter birth date, time, and place. Your Upapada Lagna is read from the sidereal (Lahiri) birth chart — it is the Arudha of the 12th house and points to your spouse and marriage.

Name

Date of Birth

Time of Birth

Use the exact birth time with correct AM/PM — the Lagna and house positions depend on it.

Place of Birth

Fill in the birth details and tap Calculate Upapada Lagna.

What is the Upapada Lagna (UL) in Vedic astrology?

The Upapada Lagna — UL, also written A12 — is a special lagna from Jaimini astrology. It is the Arudha Pada of the 12th house, and it is the single most important pointer to marriage, the spouse and committed partnerships in the chart.

How it is calculated

An Arudha Pada is found by counting from a house to its lord, then counting the same number of signs again from the lord. For the Upapada Lagna we start from the 12th house. A classical exception applies: if the result falls in the same sign as the house or the 7th from it, the 10th sign from that point is taken instead.

What the Upapada Lagna shows

The UL sign describes the nature, looks and temperament of your spouse.
The UL lord and the house it sits in show where the marriage plays out in your life.
The 2nd house from UL shows the sustenance and longevity of the marriage — benefics here support a lasting bond, malefics ask for care.
Planets in and aspecting the UL colour the relationship — benefics bless it, malefics bring lessons to grow through.

This calculator computes the Upapada Lagna from your sidereal (Lahiri) chart and reads each of these factors, with a downloadable PDF. It is an educational guide — a complete marriage reading also weighs the 7th house, Venus and the Navamsa (D9).