《黄帝内经·灵枢·卫气行》
漏壶水下二十五刻，卫气行于手足太阳经，这是半个白昼中卫气运行的度数。
水下二十五刻，人气在太阳，此半日之度也。
When water in the clepsydra drops 25 minutes, Wei Qi runs in the hand-foot sun meridian, which is the degree of Wei Qi movement in half a day.
<s>[INST] Translate the following Classical Chinese text into English: 水下二十五刻，人气在太阳，此半日之度也。 [/INST] When water in the clepsydra drops 25 minutes, Wei Qi runs in the hand-foot sun meridian, which is the degree of Wei Qi movement in half a day.</s>
Translate the following Classical Chinese text into English: 水下二十五刻，人气在太阳，此半日之度也。
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When water in the clepsydra drops 25 minutes, Wei Qi runs in the hand-foot sun meridian, which is the degree of Wei Qi movement in half a day.
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