PHP date_sunset() Function
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:
|
| 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
