Our BetterMost Community > The Holiday Forum
Happy Longerdays!
Front-Ranger:
Five years ago, I posted this on this day:
Some surprise good news. TODAY is the earliest sunset of the season. Sunrises will continue getting later and later until the 21st. Thanks to Earl Mellor
for the info.
serious crayons:
--- Quote from: Front-Ranger on December 06, 2020, 05:25:15 pm ---Some surprise good news. TODAY is the earliest sunset of the season. Sunrises will continue getting later and later until the 21st. Thanks to Earl Mellor for the info.
--- End quote ---
Apologies if I asked you this same question five years ago, but why?
I will say the sun set plenty early tonight. It was cloudy, which exacerbates the effect, but it was dark by 4:30 at least.
Jeff Wrangler:
Maybe this just applies to approximately the latitude of Philadelphia, but the almanac I use gives the length of the day (meaning daylight) for each Sunday. Today the length was 9 hours, 27 minutes. Next Sunday it will be 9 hours, 22 minutes. On December 20, the day before the Winter Solstice, the length will be 9 hours, 20 minutes. On December 27, the length will have crept back up to 9 hours, 22 minutes.
(I forgot today is St. Nicholas' Day, and next Sunday is St. Lucy's Day.)
serious crayons:
Well, explaining this is beyond both my math and astronomy skills, but I found a chart that showed the sunsets getting earlier through Dec. 13 but then moving later starting the 14th. The speed at which they change increases as they go along. The sunrises get later throughout the month (by a minute every day or two in each case).
But the daylength is shortest on Dec. 21 and then starts increasing by a few seconds a day on Dec. 22.
Front-Ranger:
--- Quote from: serious crayons on December 06, 2020, 07:56:10 pm ---Apologies if I asked you this same question five years ago, but why?
--- End quote ---
It's kind of complicated. This site explains it rather well:
https://abc7ny.com/winter-solstice-latest-sunrise-earliest-sunset-solar-time/8593291/
NYC had its earliest sunset on the 7th. Here in Denver, it's happening around 4:35 pm each day.
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