How this works.
Each day carries one stem-branch pair — one of sixty, rotating endlessly since 2637 BCE. The day's stem is pure, undiluted energy: a day of
丙 is raw fire. When the day's element feeds your day master, the day tends to give; when it drains or pressures, the day tends to take. It is weather, not fate —
your luck pillars are the climate, and
your chart is the landscape.