Use when establishing an agricultural calendar or determining equinoxes and solstices. Guides celestial observation at four cardinal stations to fix seasonal timing using star positions and daylight measurement.
A systematic method for establishing accurate agricultural calendars through celestial observation at four cardinal directions.
This procedure divides responsibilities among four officials stationed at different locations to observe celestial bodies and determine the four seasons for agricultural purposes.
Appoint Four Officials
Spring Equinox Determination (East)
Summer Solstice Determination (South)
Autumn Equinox Determination (West)
Winter Solstice Determination (North)
Calendar Adjustment