Happy perihelion!

Today we reach perihelion, the Earth’s closest point in its orbit around the sun.  In a day or so, we’ll have also reached our latest sunrise of the year: 7:19 am.  (To tell the truth, it’s been stuck around there for several days now, but the 4th is roughly the midpoint of the stretch of 7:19s.)  I’ll be especially grateful for earlier sunrises since I’m walking to work at that time, and it’s nice to see some sun.   The next winter milestone will be two weeks from now: the average coldest day of winter.  We’re two weeks past the solstice, and four weeks past the earliest sunset.  And in just over four weeks, we’ll be halfway between the solstice and the equinox, and the days will start getting noticeably longer.

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