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Welcome to winter 2017/2018
http://www.canadaka.net/forums/science-f47/welcome-to-winter-2017-2018-t120475.html
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Author:  Hyack [ Thu Dec 21, 2017 4:03 pm ]
Post subject:  Welcome to winter 2017/2018

Most people count the whole day as the December Solstice. However, the Solstice is actually at a specific moment - when the Sun is exactly overhead the Tropic of Capricorn.

In 2017, the December Solstice is on December 21, at 16:28 UTC. Due to the Time Zone difference, some locations will have their solstice on a different date. Local time for the December Solstice on the West coast of Canada was 8:27 am PST. The December Solstice can happen on December 20, 21, 22 or 23, though December 20 or 23 solstices are rare. The last December 23 solstice was in 1903 and will not happen again until 2303.

In the Northern Hemisphere, astronomers and scientists use the December Solstice as the start of the winter season, which ends on the March Equinox. For meteorologists, on the other hand, winter began three weeks ago on December 1.

Most places in the Northern Hemisphere see their earliest sunset a few days before the Solstice and their latest sunrise a few days after the Solstice. This happens because of the difference between how we measure time using watches and the time measured by a sundial. If you are in the Northern Hemisphere, the increase rate of daylight hours depends on your location's latitude - in more northern latitudes you will see a rapid increase in daylight hours compared to if you're in the more southern latitudes.

Author:  Freakinoldguy [ Thu Dec 21, 2017 4:38 pm ]
Post subject:  Re: Welcome to winter 2017/2018

Damn, missed it again. :oops:

Time to release the virgins, put my clothes on and store the goats head away for another season.

Till next year, savages. [cheer]

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