PHP date_sunrise() Function
 Complete PHP Date Reference
Definition and Usage
The date_sunrise() function returns the time of sunrise for a specified day
and location.
Syntax
|
date_sunrise(timestamp,format,latitude,longitude,zenith,gmt_offset)
|
| Parameter |
Description |
| timestamp |
Required. |
| format |
Optional. Specifies how to return the result:
- SUNFUNCS_RET_STRING (returns the result as string. e.g. 16:46)
- SUNFUNCS_RET_DOUBLE (returns the result as float. e.g. 16.78243132)
- SUNFUNCS_RET_TIMESTAMP (returns the result as integer (timestamp).
e.g. 1095034606)
|
| latitude |
Optional. Specifies the latitude of the location. The latitude defaults
to North. If you want to specify a South value, you must pass a negative
value. |
| longitude |
Optional. Specifies the longitude of the location. The longitude defaults
to East. If you want to specify a West value, you must pass a negative
value. |
| zenith |
Optional. |
| gmt_offset |
Optional. Specifies the difference between GMT and local time in hours. |
Example
<?php
//Calculate the sunrise time for Lisbon, Portugal
//Latitude: 38.4 North
//Longitude: 9 West
//Zenith ~= 90
//offset: +1 GMT
echo("Date: " . date("D M d Y") . "<br />");
echo("Sunrise time: ");
echo(date_sunrise(time(),SUNFUNCS_RET_STRING,38.4,-9,90,1));
?>
|
The output of the code above could be:
Date: Tue Jan 24 2006
Sunrise time: 08:52
|
Complete PHP Date Reference
 |
W3Schools' Online Certification Program
The perfect solution for professionals who need to balance work, family, and career building.
More than 4000 certificates already issued!
|
The HTML Certificate documents your knowledge of HTML, XHTML, and CSS.
The JavaScript Certificate documents your knowledge of JavaScript and HTML DOM.
The XML Certificate documents your knowledge of XML, XML DOM and XSLT.
The ASP Certificate documents your knowledge of ASP, SQL, and ADO.
The PHP Certificate documents your knowledge of PHP and SQL (MySQL).
|
