The 24 Solar Terms
입추
立秋
Start of Autumn · Autumn
In 2026: Fri, August 7
Solar terms shift by about a day from year to year; this date is for 2026 (Korea Astronomy and Space Science Institute).
What it means
Autumn officially begins — though it's still hot.
Weather around this time
Late-summer heat lingers, but mornings start to cool.
Frequently asked questions
What does Ipchu (입추) mean?
Ipchu (입추, 立秋) means “Start of Autumn”. Autumn officially begins — though it's still hot.
When is Ipchu in 2026?
In 2026, Ipchu falls on Friday, August 7. It's one of the six autumn terms, and the date shifts by about a day from year to year.
What is the weather like around Ipchu?
Late-summer heat lingers, but mornings start to cool.