# PHP date_sunset() Function

PHP Date/Time Reference

## Example

Return the sunset time for Lisbon, Portugal today:

<?php
// Lisbon, Portugal:
// Latitude: 38.4 North, Longitude: 9 West
// Zenith ~= 90, offset: +1 GMT
echo("Lisbon, Portugal: Date: " . date("D M d Y"));
echo("<br>Sunset time: ");
echo(date_sunset(time(),SUNFUNCS_RET_STRING,38.4,-9,90,1));
?>
Run example »

## Definition and Usage

The date_sunset() function returns the sunset time for a specified day and location.

Tip: Look at the date_sunrise() function to return the sunrise time for a specified day and location.

## Syntax

date_sunset(timestamp,format,latitude,longitude,zenith,gmtoffset);

Parameter | Description
--- | ---
timestamp | Required. Specifies the timestamp of the day from which the sunset time is taken

format

Optional. Specifies how to return the result:

- SUNFUNCS_RET_STRING (returns the result as string. e.g. 16:46) (This is default)
- 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. Defaults to North. To specify a value for South, pass in a negative value
longitude | Optional. Specifies the longitude of the location. Defaults to East. To specify a value for West, pass in a negative value
zenith | Optional. Defaults to date.sunset_zenith
gmtoffset | Optional. Specifies the difference between GMT and local time in hours

## Technical Details

Return Value: | Returns the time of the sunset, in the specified format, on success. FALSE on failure
PHP Version: | 5+
Changelog: | From PHP 5.1.0 this function generates E_STRICT and E_NOTICE time zone errors

PHP Date/Time Reference

### WEB HOSTING

UK Reseller Hosting

### WEB BUILDING

FREE Website BUILDER Free HTML5 Templates

### W3SCHOOLS EXAMS

HTML, CSS, JavaScript, PHP, jQuery, XML, and ASP Certifications

### SHARE THIS PAGE

### Color Picker

### HTML/CSS

HTML Tutorial HTML5 Tutorial CSS Tutorial CSS3 Tutorial Bootstrap Tutorial

### JavaScript

JavaScript Tutorial jQuery Tutorial jQuery Mobile Tutorial AngularJS Tutorial AJAX Tutorial JSON Tutorial

### Graphics

Canvas Tutorial SVG Tutorial Google Maps Tutorial

### Server Side

SQL Tutorial PHP Tutorial ASP Tutorial ASP.NET Tutorial VBScript Tutorial AppML Tutorial

### Web

Web Building Web Statistics Web Certification

### XML

XML Tutorial DTD Tutorial Schema Tutorial XML DOM Tutorial XPath Tutorial XSLT Tutorial XQuery Tutorial XSL-FO Tutorial RSS Tutorial WSDL Tutorial

### HTML/CSS

HTML Tag Reference HTML Event Reference HTML Color Reference CSS 1,2,3 Reference Bootstrap Reference

### JavaScript

JavaScript Reference HTML DOM Reference jQuery Reference jQuery Mobile Reference Google Maps Reference

### Server Side

PHP Reference SQL Reference ASP Reference VBScript Reference Razor Reference ASP.NET Reference

### XML

XML DOM Reference XSLT Reference XSL-FO Reference XPath Reference XQuery Reference Schema Reference RSS Reference SVG Reference

### HTML Charsets

HTML Character Sets HTML ASCII HTML ANSI HTML Windows-1252 HTML ISO-8859-1 HTML Symbols HTML UTF-8

### HTML/CSS

HTML Examples CSS Examples

### Browser Scripting

JavaScript Examples HTML DOM Examples jQuery Examples jQuery Mobile Examples AngularJS Examples AJAX Examples

### Server Scripting

PHP Examples ASP Examples VBScript Examples Razor Examples .NET Examples

### XML Languages

XML Examples DTD Examples XML DOM Examples XSL Examples XSLT Examples XPath Examples XQuery Examples Schema Examples RSS Examples SVG Examples