The shifting balance of light and darkness has guided traditions, calendars, and beliefs for centuries. Many look to spring and autumn equinox dates https://orbitaltoday.com/2025/....01/04/what-is-the-sp as moments of transition, marking the quiet shift between warmth and cold. These changes are more than just astronomical occurrences—they shape the rhythms of nature and human life alike. Observing them connects us to a cycle far older than recorded history.