Solar term
Start of Autumn
Start of Autumn falls on August 8, 2027 — one of the twenty-four solar terms that keep the Chinese calendar aligned with the sun.
The day itself
A Close day. — Rest and store. Close the books, tidy the edges, and let the day be smaller than you wanted. Day score 67 of 99.
What a solar term is
The sun moves 15° between terms. They mark the seasons rather than the moon, which is why the almanac's month pillar changes at a term rather than on the first of a Gregorian month.