Today at 15:46 CET marks the March equinox — when day and night are (nearly) equal worldwide. From space, it’s the moment the day–night boundary, the terminator line, runs from pole to pole. On the ground, it marks the beginning of spring in the Northern Hemisphere and autumn in the Southern Hemisphere. Seasonal transitions like this are central to Earth observation, shaping vegetation, weather patterns, ocean conditions and many of the variables we track over time. The video shows a year worth

Happy Equinox: Hear Nature's Messages & Animal Communication