It's Equinox in 1 hour! 22 Sep 2020, 13:30 UTC. Today everywhere has an almost** equal day and night length of 12 hours, while sunlight is at max intensity on the equator. Earth has seasons because of its axial tilt, which leads to day/night length changes throughout the year
**At equinox daylight always lasts OVER 12 hours, for everyone! But why?
1) Sunrise/set time is based on the edge of the Sun, not the middle.
2) Atmospheric refraction means light bounces around the Earth and shows up earlier than sunrise AND later than sunset
Both mean more 🌞!
Here are the southern hemisphere season names and values for 45° south latitude
And, if you want to find out what time equinox is for your location:
timeanddate.com/worldclock/fix…
It's Equinox *now* to the nearest minute
So there are links out there that'll say this occurred at 13:30 or 13:31
I got my value from NASA at data.giss.nasa.gov/modelE/ar5plot…. and also confirmed with timeanddate.com/calendar/septe…. The reason 13:31 UTC is out there is probably a difference in rounding up or down the seconds to minute
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