HAPPY FIRST DAY OF FALL
It's official . . . today is the first day of fall.
The autumnal equinox* occurs precisely
at 09:05 GMT, September 23, 2011.
*Autumnal equinox is defined
when there are exactly 12-hours of daytime
and 12-hours of nighttime,
even though the angle of the sun is lessened.
(Please consult the above chart.)
For those of you in the southern hemisphere,
it's the vernal equinox.
Happy First Day of Spring!
(Never mind the chart.
The leaves are pretty, aren't they?)