晷是一个汉字，读作guǐ，本意是指日影，比喻时光，如余晷，还有一种意思就是古代用来观测日影以及定时刻的仪器。该文字在《汉书·李寻传》和《宋书·谢庄传》等文献均有记载。
n. time
misc. a shadow cast by the sun
日晷桥 Sundial Bridge
日晷之梦 Sundial Dreams
日晷仪 sun dial ; dial
日晷梦 Sundial Dreams ; sundrial dream
日晷仪梦 Sundial Dreams
焚膏继晷 gu ; burn the midnight oil ; just move on ; all through the night
赤道式日晷 The Equatorial Sundial
日晷钟 Sundial Clock
极地晷 The polar Dial ; TheRE polar Dial
水平式日晷 The Horizontal SundialE
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.
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