Why do some calculations need only a date?
Numerology and some astrology values use the date. Natal charts, houses, ascendant, exact moon positions, and synastry require time and coordinates.
What if birth time is unknown?
Use date-only methods or treat the result as limited. A random time can materially change sensitive indicators.
Why does another service show a different result?
Time zone, historical daylight rules, coordinates, algorithm version, or different number-reduction rules may explain the difference.
Is guest data saved?
Guest inputs are used for the request and are prohibited from analytics. Saving a profile is an account action.
How should a compatibility percentage be read?
It is a model summary, not the probability of relationship success. Read the individual themes and compare them with lived interaction.