晷针垂直于晷盘，平行于地轴，指向天北极(北极星附近)。
The gnomon in the middle is perpendicular to the plate, parallel to the earth's axis, and points to the celestial North Pole (near the north Star).
在晷面的正反两面刻划出12个大格，每个大格代表两个小时。
Both sides of the dial are divided into 12 parts, each part representing two hours.
所以在观察日晷时，首先要了解两个不同时期晷针的投影位置。
Therefore, when observing the sundial, it is important to first find out the projection position in the two different periods.
赤道式日晷，是古人利用太阳投影测时的科学仪器，由晷盘、晷针和底座组成。
An equatorial sundial is an ancient scientific equipment to tell time by using the shadow from solar projection. It consists of a sundial plate, a gnomon and a base.
台上陈列着大型铜制的天文仪器，台下有以紫微殿。晷影堂为主的附属建筑群。
Under it are a cluster of buildings such as Ziwei Hall, Sundial Shadow Hall and other auxiliary structures.
根据晷针日影投射到晷盘的时间刻度，可读出广州协和中学的地方真太阳时（视时）。
Through the shadow of the gnomon we can read the local true solar time in Xiehe Middle School.
日晷的主要部件是由一根晷针和刻有刻线的晷面组成，随着太阳在天空运行，晷针的投影像钟表指针一样在晷面上移动，就可以指示时辰。
The main parts of a sundial are an erect stylus and a calibrated disk. As the sun moves in the sky, the shadow of the stylus moves like a clock hand around the disk indicating the hours.
日晷的主要部件是由一根晷针和刻有刻线的晷面组成，随着太阳在天空运行，晷针的投影像钟表指针一样在晷面上移动，就可以指示时辰。
The main parts of a sundial are an erect stylus and a calibrated disk. As the sun moves in the sky, the shadow of the stylus moves like a clock hand around the disk indicating the hours.
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