东方地平线与黄道的交点 —— 出生时刻正在东升的那一度。四轴之首,第一宫的宫头。
「Adopting this course of regarding the earth as the centre for our present purpose, we will imagine the sun at daybreak rising on the eastern horizon, or, as we say, upon the Ascendant; with the earth’s revolution, as the day wears on, at noon the sun willarrive at the zenith or what is called the Mid-heaven; and as the earth continues to revolve the sun will be carried to the western horizon at sunset. These three important positions in apparent time and space are produced by thie sun’s rising, culminating, and setting, and they mark the three cardinal points through which pass the cusps of th」
「At midnight the sun will be directly under the earth at the furthest or lowest cardinal point, the whole making the four cardinal points or ‘angles,’ as they are termed. These four successive positions of the Sun, making the four quarters of the day, are shownin Diagram 1 ; they are ready due,」
上升、中天、下降、天底四点,是太阳一日之中出、中、没、伏四位 ——由地球自转而成。「Out of these angles all the other divisions are obtained.」