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Happy Solstice

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Astronomy is not one of my hobbies, but I think the confusion arises over the definition of solstice. Astronomically speaking, the solstice is an exact moment in time. In our case, on the East coast, 1722hrs EST on the 21st of Dec. 2007. The shortest day is indeed Dec. 22nd. The first full day of Winter.
In the midwest however, the astonomical solstice occurs at 0022 on the 22nd of Dec. Therefore there, the solstice and the shortest day occur on the same day. You live in CT. don't you, Bill?
Doc

Why are you now talking about December of 2007, that's next year? The winter solstice for 2006 was indeed today at 1335hrs EST but that doesn't change the fact that the day this year with the shortest number of hours of daylight is December 22, not December 21st.

You are correct that the solstice is an exact moment in time, there's no confusion about that but the point is that just because the winter solstice happened today (in yours and my case which is the Eastern Time Zone) that does not automatically mean that today has the least amount of daylight.

And yes I live in Connecticut but how is tht relevant to the discussion?
 
Well if 2007 was a typo then you and I do indeed disagree on the time then, my source (my ex-wife) says it was today at 1:35 pm and you're saying it's at 5:22 pm.

I learned long ago NOT to argue with my ex-wife so you're going to have to do that. :laugh:

Trust me, it's just easier to say she's right. ;)
 
Well, your wife is in disagreement with the NOAA. :whistling: It's actually 1722 EST. Were're both wrong.

Doc.
 
Well, your wife is in disagreement with the NOAA. :whistling:

Doc.



For you:

a4atsea.jpg
 
Take a gander at the data services available on the U.S. Naval Observatory website.

Tomorrow will bring us 5 hours, 23 minutes of daylight at the house in Peters Creek...

USNO said:
The following information is provided for Chugiak, Anchorage Borough, Alaska (longitude W149.5, latitude N61.4):

Friday
22 December 2006 Alaska Standard Time

SUN
Begin civil twilight 9:12 a.m.
Sunrise 10:15 a.m.
Sun transit 12:57 p.m.
Sunset 3:38 p.m.
End civil twilight 4:41 p.m.
 
Astronomy is not one of my hobbies, but I think the confusion arises over the definition of solstice. Astronomically speaking, the solstice is an exact moment in time. In our case, on the East coast, 1722hrs EST on the 21st of Dec. 2007. The shortest day is indeed Dec. 22nd. The first full day of Winter.
In the midwest however, the astonomical solstice occurs at 0022 on the 22nd of Dec. Therefore there, the solstice and the shortest day occur on the same day. You live in CT. don't you, Bill?
Doc

Another question, where in hell did you get this from? It doesn't matter if you're in the midwest or on Mars, the time of the Solstice is still 1922 EST or 1822 CST or 1722 MST or 0022 GMT on December 22nd.

You're totally confusing me.....
 
Astronomy is not one of my hobbies, but I think the confusion arises over the definition of solstice. Astronomically speaking, the solstice is an exact moment in time. In our case, on the East coast, 1722hrs EST on the 21st of Dec. 2007. The shortest day is indeed Dec. 22nd. The first full day of Winter.
In the midwest however, the astonomical solstice occurs at 0022 on the 22nd of Dec. Therefore there, the solstice and the shortest day occur on the same day. You live in CT. don't you, Bill?
Doc

Another question, where in hell did you get this from? It doesn't matter if you're in the midwest or on Mars, the time of the Solstice is still 1922 EST or 1822 CST or 1722 MST or 0022 GMT on December 22nd.

You're totally confusing me.....



From NOAA :

WINTER SOLSTICE....(WINTER) DEC 21 2006 722 PM EST - 0022 UTC DEC 22


Some sites have the 0022 time listed as UT.
 
Yep...having a different axis tilt and a longer orbital period than Earth, Mars will also have different solstices.

UT is pretty much the same thing as GT...but in astronomy circles, UTC (Coordinated Universal Time) is frequently used.
 
Yep...having a different axis tilt and a longer orbital period than Earth, Mars will also have different solstices.

UT is pretty much the same thing as GT...but in astronomy circles, UTC (Coordinated Universal Time) is frequently used.

Doc said this:
East coast, 1722hrs EST on the 21st of Dec. 2007. The shortest day is indeed Dec. 22nd. The first full day of Winter.
In the midwest however, the astonomical solstice occurs at 0022 on the 22nd of Dec.

You're missing my the point of my "Mars" reference which was that the Earth's Winter Solstice this year happens at a SPECIFIC TIME that DOES NOT change no matter what time zone you happen to be in or what planet you happen to be on at the time. I still don't know why he said that the solstice occurs at a different time in the midwest because to the best of my knowledge is does not.
 
Sorry Bill, I think I just misread or misinterpreted the information. Sorry to have caused you any consternation. My post was intended to be historical in nature. As I said before, I know nothing of astronomy. I do think I confused UT time with CST and EST however and that could be the source of my errors.

Doc.
 
You're missing my the point of my "Mars" reference...

Sorry...I was just responding to tigger in an aside. You're absolutely right that the solstices...and equinoxes...occur at a single, precise moment for the entire planet, without regard to where one might be at that moment. So, whether one is on Mars or in the midwest, the Sun will reach its maximum declination from the Earth's celestial equator at the same moment.
 
Sorry Bill, I think I just misread or misinterpreted the information. Sorry to have caused you any consternation. My post was intended to be historical in nature. As I said before, I know nothing of astronomy. I do think I confused UT time with CST and EST however and that could be the source of my errors.

Doc.

Oh Doc, no need to apologize, my original point was regarding the statement that the shortest day is on the same day as the Winter Solstice which is SOMETIMES true but not always as is the case this year. I have seen that statement in other places and my point is it's not an accurate one and I only meant to clarify that.

Secondary to all that, Josh and Gary then decided to poke fun at me which is all fine and good :laugh: then pornorico came along and showed his stupid ass. I'm still waiting for him to justify how my first post in this thread was "negative" :rolleyes: or acknowledge that he was wrong and out of line. My guess is he will do neither and figure that by ingoring his ignorance and stupidity, it will just automatically go away which it won't.

You're missing my the point of my "Mars" reference...

Sorry...I was just responding to tigger in an aside. You're absolutely right that the solstices...and equinoxes...occur at a single, precise moment for the entire planet, without regard to where one might be at that moment. So, whether one is on Mars or in the midwest, the Sun will reach its maximum declination from the Earth's celestial equator at the same moment.

Ya gotta learn that these Connecticut guys (tigger, smokelaw1 and grateful1) are a buncha clowns that just like to bust my stones. :laugh:
 
I will do my part in trying to tempt the sun to come back, one cigar fire at a time.

Merry Christmas to all, and to all an Opus X.
hey kid,, opus X? is that what ya forgot to give me to taste test?;;lol :love: :love: :love: :sign:

I will do my part in trying to tempt the sun to come back, one cigar fire at a time.

Merry Christmas to all, and to all an Opus X.
hey kid,, opus X? is that what ya forgot to give me to taste test?;;lol :love: :love: :love: :sign:
Hows the wrist commin along........
 
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