一切經音義 23.245

23.245

晷漏延保（晷音軌李善注文選曰晷漏日影也細分晷與漏別故周禮云表長八尺夏至日晷長六寸日益南晷益長也文字集略曰漏刻謂以筒受水刻節晝夜百刻）。

"The sundial and water clock extend protection" (晷 [sundial shadow] has the pronunciation gui. Li Shan's commentary on the Wenxuan states: "晷漏 refers to the sun's shadow." In fine distinction, the sundial shadow and the clepsydra are different; thus the Rites of Zhou states: "The gnomon is eight feet tall; on the summer solstice, the shadow is six inches. The more the sun moves south, the longer the shadow becomes." The Wenzi jilüe states: "The clepsydra markings mean using a tube to receive water and notch intervals for the hundred divisions of day and night").