Autumn Equinox (秋分)

One of the 24 solar terms that shape the BaZi calendar.

When

• 2026-09-23 08:05
• 2027-09-23 14:01
• 2028-09-22 19:45

Why it matters

The solar terms mark changes of climate, not commands. BaZi reads these shifts as seasons of tendency — a backdrop for reflection, never a sentence.

Try it with your chart

Cast your free four pillars at songyin.app/bazi and see which month branch governs your birth season.