The PHP date_sunset() function accepts a timestamp representing the given day and returns the sunset time on that particular day.
Syntax
date_sunset($timestamp, [$format, $latitude, $longitude, $zenith, $gmtoffset])
Parameter Details
Sr.No | Parameter & Description |
---|---|
1 | timestamp (Mandatory) This specifies a timestamp. |
2 | format (Optional) This specifies the format in which you need the resultant value in. You can pass three constants as the value of this parameter namely; SUNFUNCS_RET_STRING (string), SUNFUNCS_RET_DOUBLE (float) and, SUNFUNCS_RET_TIMESTAMP integer. |
3 | latitude (Optional) This specifies latitude of a location by default, this specifies the North direction. To specify a latitude value in south you need to pass it as a negative value. |
4 | longitude (Optional) This specifies longitude of a location by default, this specifies the East direction. To specify a latitude value in West you need to pass it as a negative value. |
5 | zenith (Optional) This specifies zenith value. This specifies the angle between the line perpendicular to the earth's surface and the centre of the sun. |
6 | gmtoffset (Optional) This specifies the difference between GMT and local time in hours. |
Return Value
PHP Version
Example1
<?php $sun_info = date_sunset("02-17-2012"); print_r($sun_info); ?>
Output
14:46
Example2
<?php $sun_info = date_sunset("02-03-2020",SUNFUNCS_RET_STRING, 23.4, -25); print_r("Sunset Time: ".$sun_info); ?>
Output
Sunset Time: 19:05
Example3
<?php $sun_info = date_sunset("25-12-2016",SUNFUNCS_RET_STRING, 69, 41); print("Sunset Time: ".$sun_info); print("\n"); var_dump($sun_info); ?>
Output
Sunset Time: bool(false)
Example4
<?php echo("Date: " . date("D M d Y")); echo("\n"); echo("Sunset time: "); echo(date_sunset(time(),SUNFUNCS_RET_STRING,38.4,-9,90,1)); ?>
Output
Date: Thu May 07 2020 Sunset time: 20:30
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