1. The product defines its inputs
A general calendar does not become personal without birth details. A personal calendar or walk schedule is not replaced with a similar format. Each product follows its own contract.
Calendars and Qi Men
The three calendar products solve different problems. The general calendar uses a month and city, the personal calendar adds birth details, and Qi Men walks calculate dates, local times and directions for a chosen place.
A general calendar does not become personal without birth details. A personal calendar or walk schedule is not replaced with a similar format. Each product follows its own contract.
The month and place establish the time zone and calendar context. Dates and times can then be presented in a local format that is clear to the client.
A calendar helps distribute tasks and attention. A walk provides a time, direction and practice focus, but it cannot guarantee an event or replace safe decisions.
Checks cover the full period, date sequence, required fields, language and the visual placement of longer guidance inside the PDF.
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