Xià Zhì · Summer 夏 · 约 Jun 21–22 · 第 10 / 24 个节气
一年中白昼最长的一天。传统认为「夏至一阴生」，极盛之中已含转折。
The longest day of the year. The tradition says that at the solstice a first thread of yin is born — the peak already contains its turning.
「冬病夏治」的观念与此时相关（具体治疗须由执业者判断）。起居上宜晚睡早起、午间小憩，避免长时间暴晒。
The idea of treating winter ailments in summer is associated with this period — any actual treatment is a clinician's call. For daily life: rise early, rest at midday, and avoid long exposure to strong sun.
浅色长袖防晒，宽檐帽；空调房内备薄衫护肩颈。
Light-coloured long sleeves and a wide-brimmed hat; carry a thin layer for air-conditioned rooms.
穿衣本应因人、因地、因体质而异，本页只给一般起居参考，不是健康指导。
日长之至。传统的节气饮食讲究「当令」——吃这个时节自然成熟的东西，把饮食与季节对齐。本页不给具体方子或剂量；若你想按体质调整饮食，请咨询持证的执业者。
日长之至. Seasonal eating means aligning the table with what ripens now. No formulas or doses are given here — for individual dietary adjustment, consult a licensed practitioner.