| Day pillar | 己巳 (ji si) |
|---|---|
| Heavenly stem | 己 (ji) |
| Earthly branch | 巳 (si) |
| Day element | Earth 土 (tu) |
| Polarity | Yin |
| Solar term | 处暑 (chushu) |
| Month pillar | 丙申 (bing shen), governed by 立秋 (liqiu) |
Today's day pillar is 己巳 (ji si), a yin Earth day in the sixty-day cycle. Today is also the solar term 处暑 (chushu), one of the twenty-four stations of the solar year. The month pillar is 丙申 (bing shen), governed by the term 立秋 (liqiu).
处暑 is the term where the summer heat finally stops, around the twenty-third of August.
处 here has the sense of stopping or taking up residence, so the name reads as the heat settling down and ceasing to advance. It is the counterpart to 小暑 (xiaoshu) and 大暑 (dashu) at the other end of the season.
It is a medial term inside the 申 (shen) month. The month pillar has not moved since 立秋 (liqiu) and will not move again until 白露 (bailu) in September.
It is one of the terms that most reliably matches lived weather in the temperate northern hemisphere, which is part of why the set has stayed in use for so long.