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vangeli

Sun angles in southern hemisphere. Please help! :)

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Hi Everyone,

                            I was wondering if someone could please help me as I am having a lot of trouble getting sun angles to work at a project I am doing in Melbourne. I have entered in North as directly straight up in my plan view. I have my latitude -37.848423° S and longnitude as 145.059085° E on september 22nd 2016 at 9am with no daylight savings and time zone as GMT +10. The shadows at this time are falling to the north but they should be falling to the south! Do I have to tell chief that I am also in the southern hemisphere? The angle of the shadow seems pretty good its just pointing to the north instead of to the south? Ay help would really be appreciated. Thank you.

 

post-9257-0-98679600-1463374892_thumb.png

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I think things might work if you delete the minus from in front of the latitude.

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Not an expert at this but maybe try dropping the - (negative) for the latitude.

A little slow I see but I would go with the local knowledge. Thanks Glenn

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Wow. Thank you so much! That fixed it. I just cut and pasted the latitude with the minus sign from a web page that I got the info from. I thought that was part of it. Obviously now it shouldnt be. I was getting so frustrated over this. Thanks again and all the best

Regards Evan

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