SUMMER SCHOOL
For me, the first day of summer has always had a little bit of regret attached to it. The season launches with the solstice—June 20, 21, or 22 in the Northern Hemisphere—the longest day of the year. It’s truly worth celebrating the late sunsets and extended twilight. But the next day reality sets in: Every subsequent day shaves off a little bit of light. (Sorry to be a bummer just when you’re finally able to go to the beach.) But I recently learned something that made me feel better: These dates reflect only the astronomical definition of the seasons. Meteorologists divide the year into different three-month periods. Their summer starts on June 1 and autumn on September 1, each capped in American culture by Memorial Day and Labor Day, respectively. OK,…