Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. This voice experience is generated by AI. Learn more. This ...

When does fall begin in the Northern Hemisphere? Whereas a meteorologist might tell you Sept. 1, the beginning of meteorological fall, an astronomer will inform you that seasons pivot on solstices and ...

At 2:19 p.m. EDT on Monday, Sept. 22, 2025, the sun will cross the celestial equator heading south. That marks the fall equinox in the Northern Hemisphere — the first day of autumn — which means ...

The seasons are about to change in the Northern Hemisphere, and India will experience the same astronomical event that marks this transition across the world. The September equinox will occur on ...