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Sun: Calculate the sunrise and sunset time of any place

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Last Updated Ratings Unique User Downloads Download Rankings
2004-07-05 (12 years ago) RSS 2.0 feedStarStarStarStar 72%Total: 3,427 All time: 970 This week: 941Up
Version License Categories
sun_rise_set 1.0.0GNU General Publi...Algorithms, Geography, Physics
Description Author

This class contains methods for calculating the sunrise and sunset for any day, for any zenith (angle at which the sun is said to rise or set) and any place in the world given its latitude and longitude coordinates.

Please note that the algorithm used for the calculations are not mine. The algorithm was taken from http://williams.best.vwh.net/sunrise_sunset_algorithm.htm (without permission). There are many algorithms for calculating sunrise/sunset, but this was the simplest and explained in an easy to understand manner.

Innovation Award
PHP Programming Innovation award nominee
July 2004
Number 6

Prize: One downloadable copy of PHPEd		 Knowing the sunrise and sunset time maybe important information for applications that depend on whether it is day or night.

The sunset or sunrise time information may useful for something like giving the appropriate salute to an user given the current time of the day, or other more complex situations that depend on knowing whether it is day or night where an user lives.

The calculation of the sunrise and sunset is not trivial. It depends on the geographic coordinates of the place in the world being considered, the day of the year and the position criteria that determines exactly when it is considered to start the sunrise or sunset.

This class provides a solution that simplifies that problem by making the correct calculations considered all the important factors.

Manuel Lemos
Picture of Nesa Simon David
Name: Nesa Simon David <contact>
Classes: 1 package by
Country: United Arab Emirates United Arab Emirates
Innovation award
Innovation award
Nominee: 1x

  Files folder image Files  
File Role Description
Plain text file email1.txt Doc. an email correspondence, which may help to understand the sun class better.. :)
Plain text file math.php Aux. contains math functions to calculate sin/cos/tan etc of angles given in degrees
Accessible without login Plain text file sun.php Class sun class definition
HTML file sun_calendar.html Output sample output of sun_calendar.php
Plain text file sun_calendar.php Example displays sunrise/sunset times of all days in a month

Downloadsun_rise_set-2004-07-05.zip 5KB
Downloadsun_rise_set-2004-07-05.tar.gz 4KB
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Total:3,427
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All time:970
This week:941Up
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Utility:93%StarStarStarStarStar
Consistency:89%StarStarStarStarStar
Documentation:72%StarStarStarStar
Examples:89%StarStarStarStarStar
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Overall:72%StarStarStarStar
Rank:229
 
This is a very useful class.
9 years ago (Brian Beinlich)		72%StarStarStarStar
 

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