Relationship analysis

Compare two charts, not just two zodiac signs.

BaZi compatibility looks at how two charts interact. The useful question is not “are we compatible?”, but where support, friction and different timing patterns appear.

Name (optional)Date of birthTime of birth I do not know my birth time Use true solar time Adjust the clock time using the birth longitude and equation of time. This is a school-specific setting and changes Hour Pillar calculations near boundaries.

Historical UTC offset (advanced)

Override the time zone inferred from the birth city. Use this only when a birth record, family record or historical source gives the local UTC offset.

The city remains necessary for location context and optional true solar time.

Birth city

Second person

Date of birthTime of birth I do not know the second person’s birth time Use true solar time for the second chart.

Historical UTC offset (advanced)

Override the second person’s inferred time-zone offset.

Birth city

Your details are sent only to the BaziRoute calculation API and are not saved in this development build.