Tutorials References Exercises Videos Menu
Create Website Get Certified Upgrade

PHP Tutorial

PHP HOME PHP Intro PHP Install PHP Syntax PHP Comments PHP Variables PHP Echo / Print PHP Data Types PHP Strings PHP Numbers PHP Math PHP Constants PHP Operators PHP If...Else...Elseif PHP Switch PHP Loops PHP Functions PHP Arrays PHP Superglobals PHP RegEx

PHP Forms

PHP Form Handling PHP Form Validation PHP Form Required PHP Form URL/E-mail PHP Form Complete

PHP Advanced

PHP Date and Time PHP Include PHP File Handling PHP File Open/Read PHP File Create/Write PHP File Upload PHP Cookies PHP Sessions PHP Filters PHP Filters Advanced PHP Callback Functions PHP JSON PHP Exceptions

PHP OOP

PHP What is OOP PHP Classes/Objects PHP Constructor PHP Destructor PHP Access Modifiers PHP Inheritance PHP Constants PHP Abstract Classes PHP Interfaces PHP Traits PHP Static Methods PHP Static Properties PHP Namespaces PHP Iterables

MySQL Database

MySQL Database MySQL Connect MySQL Create DB MySQL Create Table MySQL Insert Data MySQL Get Last ID MySQL Insert Multiple MySQL Prepared MySQL Select Data MySQL Where MySQL Order By MySQL Delete Data MySQL Update Data MySQL Limit Data

PHP XML

PHP XML Parsers PHP SimpleXML Parser PHP SimpleXML - Get PHP XML Expat PHP XML DOM

PHP - AJAX

AJAX Intro AJAX PHP AJAX Database AJAX XML AJAX Live Search AJAX Poll

PHP Examples

PHP Examples PHP Compiler PHP Quiz PHP Exercises PHP Certificate

PHP Reference

PHP Overview PHP Array PHP Calendar PHP Date PHP Directory PHP Error PHP Exception PHP Filesystem PHP Filter PHP FTP PHP JSON PHP Keywords PHP Libxml PHP Mail PHP Math PHP Misc PHP MySQLi PHP Network PHP Output Control PHP RegEx PHP SimpleXML PHP Stream PHP String PHP Variable Handling PHP XML Parser PHP Zip PHP Timezones

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));
?>
Try it Yourself »

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 Values

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