Article contentThis year’s autumnal equinox occurred Tuesday at 9:30 a.m. Eastern, ushering in the winds of change, the cool temperatures of fall, and shorter days for everyone in the Northern Hemisphere — about 90 per cent of Earth’s population. The Southern Hemisphere experiences the opposite: spring’s hopeful beginnings, and gradually warming weather. Try refreshing your browser, or Tuesday marks the fall equinox: What is it and how does it work? Back to videoThe equinox occurs each March and September, when both halves of the Earth experience nearly 12 hours of sunlight and 12 hours of darkness. On those days, Earth is angled in such a way as to receive a full face of the sun.

Source: National Post September 22, 2020 16:02 UTC