Sandaysoft

Hi Everyone:

Would some one beable to send me in the right direction to get my Long. and Latt. settings my sunrise is always out 1 min. I have found 4 diffrent sets of numbers and non of them work correctly. I'm in Manitoba, Canada so I have my pc set at -6:00 GMT I even tried setting my PC to -5:00 GMT. With the same problem. Thanks in advance fore reading and helping me with this.

Jim Laursen
Melita, Maniotba Canada

I think 1 minute off is pretty good going (and indicates that you probably have your co-ordinates correct), and the best you're going to get from the routines that Cumulus uses.

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Steve
Sanday Weather
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Monkey38 - don't forget there is the 'equation of time' that varies by minutes every day throughout the year.

From the lay of the land east of Manitoba I'm guessing your visible sunrise is always late. Your sunset happens a couple minutes earlier.

I have mountains on both sides of my location. Visible sunrise happens almost an hour later than it would were I on the ocean. http://science.uvu.edu/wilson/webcam/webcam_.jpg

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Bruce KF7K
http://science.uvu.edu/wilson/weather

If you don't have a GPS, a simple way to get your lattitude and longitude is to use Google maps.

To do this, find your physical location in Google maps. In most cases this is as simple as putting your physical address in the address bar. Then zoom in as far as you can. If the screen is not exactly centered on your house, (minor errors in the Google address data), drag the map a bit until it is centered. Then click on the "link" button and a box will pop up with "paste link in email or IM", and a URL that's highlighted. Copy and paste the URL into Notepad or anything where you can see the whole URL. Embedded near the beginning (after whatever you typed in) will be your lattitude and longitude, in decimal degrees. You can then use any of the many converters to convert decimal degrees to "degrees minutes seconds" for the station page.

What are you comparing to, in order to decide that Cumulus is off by a minute? If you are not using a GPS, but perhaps an Environment Canada forecast, it may well be their forecast is off for your location since the forecast is specific to the Environment Canada station physical location.

By the way, I just checked my station against the Environment Canada station that's 80 km away. Sunrise differs by 4 minutes, sunset by 3 minutes. My handheld GPS that keeps me out of trouble when hunting or fishing agrees with Cumulus (almost exactly - sunset is off by a minute, but this is likely a rounding error)

A easier way to obtain the coordinates (in decimal degree notation):

If you're browsing Google Maps and want to know the coordinates of a location, just right-click on the map and select "What's here?". The coordinates will automatically pop up in the search box.

http://support.google.com/maps/bin/answ ... swer=18539

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http://members.upc.nl/h.graaf507/weer/index.htm