Birth data & settings
How birth time, place, zodiac choice and the house system change a chart.
2 articles
AS-003
Why a birth chart needs both time and place
Separate historical clock conversion from local-horizon geometry, and identify which chart features remain uncertain when a record is incomplete.
Read first: How to read a birth chart without mixing up its parts
AS-005House systems: change the boundaries, not the planets
Use a simple degree example to distinguish Whole Sign, equal houses from the Ascendant and a quadrant method, then compare charts fairly.
Read first: How to read a birth chart without mixing up its parts