Sunrise Sunset
The following tools are for finding sunrise-sunset time and direction, and hours of daylight, all based on a geographical location latitude-longitude and date-time of year. Knowing this information (or where to find it) can prove very useful for many different applications. I hope that some of you find them useful too.
Sunrise-Sunset
This NOAA Solar Calculator allows you to zoom in on any location. At any time you can click the sunrise and sunset check-box which will reveal the time and direction of each. You can also adjust the time and date. There is an additional check-box for current local time which will display the angle of the sun in its current position.
Hours Of Daylight
This calculator displays the hours of daylight based on your latitude and date. Both parameters are adjustable. The least amount of available sunlight occurs on December 21 while the most hours of daylight are during June 21.
Find Your Latitude And Longitude
To determine your latitude and longitude, use this map tool which allows you to zoom in on any location for exact results. You can also simply enter a zip-code.
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I checked the Lat/Lon locations from data of 10 years ago, and they do not match with a predetermined marked location designated by the state. They are couple hundred yards east of lat & almost a mile south of Lon.
Has anybody ever checked on recorded data that would show a difference? I have documentation from the engineers & the state showing my grid coordinates. New documentation may be required?
Since the Lat/Lon map is to the minute, instant data, and so is any GPS units, only recorded data written down can be cross referenced.
I guess my question is, has anybody noticed from prior data of changes in recorded coordinates? Has the earth moved? I will research further data and ask questions.
I have compared the Lat/Lon of this program with that of Google Earth, and they are spot on. With regards to old ‘fixed’ location markers established by the state, it would be an interesting exercise to validate their position. I suppose that one would first need a list of where these markers are…