Jun 21 — 夏至 Summer Solstice

1. For Lucy 悟

   Longest day of the year

2. For Lucas 空

   Earth's tilt; solstice (MS-ESS1-1)

3. Documentation 記錄

   Solstice observation; full-year comparison

4. 候 · Waiting & Watching

   Go outside, watch for the sign of this solar term, and add a dated entry to your journal.

Want the whole year at a glance? Open the full Science · 節氣 plan.