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Sunrise / Sunset Times

Started by Slim, December 07, 2023, 06:39:09 PM

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Slim

16:36:34 today. Updated my spreadsheet with the 2025 figures. We're getting roughly 1 min, 50 seconds of afternoon daylight back per day at the moment.

Interestingly that peaks on 18th Feb, when the afternoon will be 1 min, 55 secs longer than the previous day.

Fishy

Quote from: Fishy on January 22, 2025, 11:04:44 PMBy wed 29th   sunset will be 16.47.... an hour back from earliest sunset..

And today is the day.. nice feeling and January almost out the way which is an even better feeling.. by Feb 1 we're at 16.53
From The Land of Honest Men

Slim

Sunset at 16:45:49 here, so we've got 55 mins and 37 secs of afternoon daylight back since the 13th Dec nadir.

The Picnic Wasp

I used to leave work at 4.30 pm so this time of year was really special as it was still quite light when I arrived home. Traffic permitting.

Matt2112

Quote from: The Picnic Wasp on January 29, 2025, 11:50:38 AMI used to leave work at 4.30 pm so this time of year was really special as it was still quite light when I arrived home. Traffic permitting.

Yes, I've officially entered the time of year I commute both ways in daylight.  Daffs will be up before I know it. :)

Slim

Sunset occurs at 17:24 today, nearly 94 minutes later than 13th Dec 2024. Third column has the increase in afternoon daylight since that date, fourth is the increase since the previous day.  As you can see it starts to slow down a bit from now. So today's sunset is 1 min, 55 secs later than yesterday's, but (for example) 11th March is only 1 min, 49 seconds later than 10th March.

sunsetfeb25.pngHighslide Image Viewer

Fishy

Some weirdness with time here.. we were an hour ahead of UK time getting here and they've now put the time back an hour due to Ramadan staring next weekend so we're back in alignment with Uk time.. sunset today 18.26
From The Land of Honest Men

Fishy

17.59 sunset today.. tomorrow 18.01..
From The Land of Honest Men

Slim

Here it was 17:50 (and 20 seconds), but: as of today we've got 2 hrs (and 8 seconds) of the afternoon daylight back.

David L

Quote from: Slim on March 04, 2025, 06:38:11 PMHere it was 17:50 (and 20 seconds), but: as of today we've got 2 hrs (and 8 seconds) of the afternoon daylight back.
Although south of you, we had the sun for one minute longer. I'm assuming that's due to longitude.

Slim

Quote from: David L on March 04, 2025, 07:22:28 PMAlthough south of you, we had the sun for one minute longer. I'm assuming that's due to longitude.

Glad you mentioned that because I've never really known quite how it works so I looked it up. The sunset line comes in at an angle and it's not straight (as you'd expect on a curved surface).

sunline.pngHighslide Image Viewer

David L

I like that you appear to have taken the trouble of plotting the line through my home town showing clearly the reason for the difference. Nice one!

Slim

Really interesting. The angle at which the sunset comes over depends on the time of year. So in January it passes over like this:

sunsetlinejan.pngHighslide Image Viewer

.. but in May it comes over like this:

sunsetlinemay.pngHighslide Image Viewer


https://in-the-sky.org/twilightmap.php

David L


Matt2112

My overall mood has noticeably lifted with the lengthening days and fair weather this week.