Your own birth chart carries a description of the person you end up with. Not a name, but their age, their look, how they treat you, what they do for a living, and the years you're most likely to marry.
Birth time is required for this reading. If you only know it roughly, enter the closest hour.
A future partner Saju reading works from the spouse palace of your Four Pillars chart, the same method the classical texts use to answer who you will marry and when. It covers what your future partner looks like, the age gap between you, their personality, their money and profession, the intimacy and affection style between you, the best years to get married, and what to watch for in the relationship. Your birth date, time and gender are all it needs.