Switching our clocks twice a year is a bit of a drag: Just ask my 8-year-old son, who told me on Monday that he was too tired to eat. His body clock was still basically at 5:30 when I woke him up at 6:30. (That’s my fault. In past years, I spent the week before daylight saving time waking them all…
Switching our clocks twice a year is a bit of a drag: Just ask my 8-year-old son, who told me on Monday that he was too tired to eat. His body clock was still basically at 5:30 when I woke him up at 6:30.
If you picture the orbit of the Earth as a big, nearly circular flat disk and the Earth’s axis as a nearly verticle stick that travels around the perimeter of that disk, the stick is tilted rather than straight up and down. That’s why we have seasons, and it’s why our days vary in length of daylight.
As you go further from the equator, that daylight difference between the winter solstice and the summer solstice grows. Helena, Montana, has a seven-hour, 15-minute difference between its longest and shortest days, while Miami has only a three-hour, 15-minute difference.
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