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11 Απρ 2013 · The timewarp thread is isolated in a specified time, run, and returns the result now. Here's the syntax: timewarp --time 86400 "php calculatesunrise.php". For more information on timework, man timewarp. This basically executes your calculation tomorrow, eliminating the need to change the algorithm. Use exec () to run this.
11 Ιαν 2017 · It's stated that they also use a Zenith value of 90.8333 for the purpose of calculating sunrise. Then I discovered that the php function date_sun_info, which is an array containing various data, gave the correct sunrise time (corresponding to the results from AAD). To achieve the same sunrise time from the date_sunrise function, I have to enter ...
17 Αυγ 2016 · time will contain the times of sunrises/sunsets between t0 and t1, and the corresponding value in is_sunrise will be 1 if it's a sunrise and 0 for a sunset. Share Improve this answer
22 Σεπ 2013 · You need longitude, latitude, and date. It would be helpful to indicate if you want the answer in local time, or universal time. The corrections needed to get true accuracy (and the definition you use for "sunrise" and "sunset") all play a huge role in the effectiveness of the calculation.
5 Μαΐ 2013 · How can I calculate the sunrise and sunset in the area that the user is visiting a site in with javascript / jquery ? I tried looking at this question, but didn't get much help from the answers. I just want to be able to print sunrise: sunrise time is here and sunset: sunset time here.
4 Μαΐ 2017 · The PHP functions date_sunrise() and date_sunset() use date.sunrise_zenith and date.sunset_zenith to calculate useful sunrise, sunset or twilight times, for example: Sunrise: the point where the sun becomes visible. Civil twilight: conventionally used to signify the start of dawn. Nautical twilight: the point at which the horizon starts being ...
9 Απρ 2015 · An algorithm for calculation of sunrise and sunset times can be found here and implementations at 1 in Tcl and 2 in javascript. I am trying to convert the algorithm to PHP, but it's slightly over my head and takes too much time. This is my result so far:
22 Σεπ 2020 · I've gone over multiple questions and answers here on SO, but I can't seem to figure it out. I am essentially trying to check if it is night at a certain location (lat/lng) at a certain time. So fa...
29 Μαρ 2012 · 1. Is there a way to get sunrise and sunset times in PHP without having to deal with Zenith and GMT offsets? The functions date_sunrise() and date_sun() asks for zenith and GMT which I don't want to deal with. Ideally I would simply write someSunriseFunction(<latitude>, <longitude>, <timezone>) i.e. someSunriseFunction(34.30, -118.15, 'EST ...
6 Νοε 2009 · Sunrise time tomorrow in PHP. How? 16. How can I get today's timestamp in PHP. 150. Getting a ...
