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    Re: Winter solstice this weekend
    From: Samuel L
    Date: 2014 Dec 19, 04:00 -0800

    I'm curious to know how the time of the Solstice is determined.

    I found which hour the Sun dropped to S 23d 26.1min Declination- 12/21/14 at 16hrs GMT and then began the rise back North- 12/22/14 at 6hrs GMT.

    The number of hours between those hours (14 hours) was divided by 2 and added (or subtracted) to one of the hours to obtain a time of 23:00:00 on 12/21/2014.

    Using Peter Hakel's, sun.xls spreadsheet I also established GHA at 180d on the same date thinking that might be reference point and got GMT 23:58:16.5

    Any ideas what to do?

    Thanks,

    Sam L.

       
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