大六壬
以月将加时，推演四课三传
输出天地盘、四课、三传、课体与问事判断顺序。大六壬预览
填写所问事项与起课时间后，系统会生成天地盘、四课、三传、课体和判断评分。
Use a focused guide to check this result
Generate the chart first, then open the guide that matches a visible field. This keeps chart data, traditional interpretation, and real-world judgment separate.
Da Liu Ren month general: Zhongqi boundaries versus lunar monthLearn how the Da Liu Ren month general changes at Zhongqi boundaries, why it differs from the lunar month branch, and how to reproduce one Great Fortune Chou example in the tool.Four lessons and three transmissions in Da Liu RenExplains the core Da Liu Ren reading path from four lessons to initial, middle, and final transmission.Da Liu Ren calculator: month general, divination hour, four lessons, and three transmissionsExplains Da Liu Ren online calculators and the core chart components used for event divination.